Force and Motion Practice for 6th Grade
This 10-page packet helps 6th graders understand the relationship between force, mass, and acceleration through real-world examples and practice questions. It includes scaffolds for ELL students and visual aids to support comprehension.
“create a student friendly worksheet for partner activities with ELL scaffolds and visuals: Check for understanding of force = mass × acceleration. Level 1 – Everyday Connection Question: You and a friend are pushing shopping carts at the grocery store. Both carts have the same mass, but you push your cart faster. Which cart hits harder when it bumps into something? Choices: A. My friend’s cart, because the carts weigh the same. B. My cart, because it’s moving faster, so it has more force. C. Both carts hit the same, because they are the same mass. D. Neither cart, because speed doesn’t affect force. Answer: B ✅ Rationale: Force depends on both mass and speed/acceleration. A faster cart hits harder.Level 2 – Sports Connection (Intermediate) Question: Two kids are kicking soccer balls that weigh the same. One kicks the ball gently, and the other kicks it really hard. Which kick makes the ball move farther? Choices: A. The gentle kick, because the ball is lighter. B. The hard kick, because more speed means more force. C. Both kicks are the same, because the balls weigh the same. D. Neither kick, because force doesn’t matter. Answer: B ✅ Rationale: With the same mass, the harder (faster) kick has more force. Level 3 – Original Bat Question A coach is comparing two bats. Both bats have the same mass, but aluminum bats can be swung about 10 miles per hour faster than wooden bats. Should the coach use this information to decide which type of bat is better? Explain. Choices: A. No. The material doesn’t matter. Only how fast the ball is pitched affects the force. B. No. Since both bats have the same mass, they will hit the ball with the same force. C. Yes. The coach should choose aluminum bats because a bat that swings faster will hit the ball with more force. D. Yes. The coach should choose wooden bats because a slower swing stores more potential energy, which means more force. C. Correct → Since the mass is the same, the aluminum bat has more force because it swings faster. Passage (Softball Batting Context) A coed softball team is designing a batting and pitching plan for their season, including which bats the team will purchase and use. The coach is deciding which option is best for each player on the team. The coach would like for her choices to help the players successfully hit the ball as far as possible. Use the drop-down menus to explain the relationship between the bat and the ball during the collision. Rubric (1 point): The bat and ball have different masses and speeds, but they will have the same collision force. The ball will travel much faster than the bat after the collision because it has less mass than the bat.MCQ Set (Modified for 6th Grade) Q1. (Foundational) When the bat hits the softball, which of the following is true about the forces between them? A. The bat pushes harder on the ball than the ball pushes on the bat. B. The ball pushes harder on the bat than the bat pushes on the ball. C. The bat and ball push on each other with the same force. ✅ D. Neither pushes on the other because they are moving too quickly. Q2. (Real-Life Application) Why does the ball travel faster than the bat after the collision? A. The ball has less mass, so the same force causes it to accelerate more. ✅ B. The bat has less mass, so it moves slower. C. The ball always travels faster than the bat, no matter what. D. The coach swung the bat slower on purpose.Q3. (Coach’s Decision – Application to Passage) The coach wants players to hit the ball as far as possible. Which is the best reasoning for choosing a bat? A. A bat with less mass is always better, because it will push harder on the ball. B. A heavier bat is always better, because it will make the ball move faster. C. The mass of the bat and the swing speed together determine how much force the ball receives. ✅ D. The material of the bat doesn’t matter, because all bats transfer the same amount of force.Q4. (Challenge Question – Transfer of Ideas) If the softball were much heavier, what would happen when the bat hits it? A. The ball would move just as fast as before, because the bat’s speed doesn’t matter. B. The bat and the ball would still have the same collision force, but the heavier ball would move slower. ✅ C. The bat would no longer apply any force on the ball. D. The ball would push on the bat harder, so the bat would break. 👉 This set moves from Newton’s 3rd Law (equal forces) → mass vs. acceleration relationship → application to the coach’s decision → extension challenge. Newton’s 3rd Law Passage (Cracker Delivery Context) A delivery person supplies crackers to many grocery stores. At each stop, the boxes of crackers are dropped from the truck to the ground. When customers later open the packages, many crackers are broken. The driver wonders why dropping the boxes causes this problem. MCQ Question (Newton’s 3rd Law Focus) The crackers break when the box is dropped. Which statement best describes the action-reaction force pair in this situation? A. The box pushes on the ground, and the ground pushes back with a larger force. B. The delivery driver pushes on the box, and the box pushes harder on the ground. C. The box pushes on the ground, and the ground pushes back with an equal and opposite force. ✅ D. The delivery driver pushes on the box, and the box pushes back equally on the ground. Step 1 – Everyday Connection (Scaffold) Question: You drop a basketball on the floor. The ball hits the floor, and then it bounces back up. Which statement best shows Newton’s 3rd Law? A. The ball pushes on the floor, and the floor pushes back on the ball with an equal and opposite force. ✅ B. The ball pushes harder on the floor than the floor pushes on the ball. C. The floor pushes harder on the ball than the ball pushes on the floor. D. The ball pushes the air, and the air pushes back on the ball. Answer: A ✅ Rationale: Newton’s 3rd Law says that for every action, there’s an equal and opposite reaction. That’s why the ball bounces. Step 2 – Science Application (Cracker Delivery Passage) Passage: A delivery person supplies crackers to many grocery stores. Boxes are dropped from the truck to the ground. Later, customers notice many crackers are broken. Question: The crackers break when the box is dropped. Which statement best shows the action-reaction relationship? A. The box pushes on the ground, and the ground pushes back with a larger force. B. The delivery driver pushes on the box, and the box pushes harder on the ground. C. The box pushes on the ground, and the ground pushes back with an equal and opposite force. ✅ D. The delivery driver pushes on the box, and the box pushes back equally on the ground. Answer: C ✅ Rationale: The force between the box and ground is equal and opposite. The crackers break because the force transfers through the box to the crackers. 👉 This way, students first practice with a simple ball-floor example, then apply the same law to a real-world delivery problem. Students first visualize a scooter crash (familiar), then transfer the same Newton’s 3rd Law principle into the zipline design challenge. Step 1 – Simpler Real-Life Connection Scenario: You’re riding a scooter and roll into a wall by accident. When the scooter hits the wall, it stops suddenly, and you feel the push back. Question (Part A): Which phrase best explains what happened when you hit the wall? A. Force is equal to mass times acceleration. B. For every action, there is an equal and opposite reaction. ✅ C. A body at rest stays at rest unless a force acts on it. D. An object in motion stays in motion unless a force acts on it. Question (Part B): If you want to make the crash less painful, what would help the most? A. Ride the scooter faster so the wall pushes back harder. B. Use padding or slow down so the wall pushes back with less force. ✅ C. Carry more weight so the scooter has more force when it hits. D. Ride without brakes so you keep moving forward. Step 2 – Science Application (Zipline Passage) Passage Recap: Two students build a zipline with a container carrying objects. When released from the taller tower, the container crashes into the other tower and breaks. Question (Part A): Which phrase best defines Newton’s third law of motion? A. Force is equal to mass times acceleration. B. For every action, there is an equal and opposite reaction. ✅ C. A body at rest remains at rest unless acted upon by an outside force. D. An object in motion remains in motion unless acted upon by an outside force. Question (Part B): How can Newton’s third law be applied to improve the design? A. Increase the mass of the container to decrease the force of the collision. B. Decrease the mass of the container to increase the force of the collision. C. If the force of the container increases, the wall’s force back will also increase. D. If the force of the container decreases, the wall’s force back will also decrease. ✅ Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Step 1 – Simpler Real-Life Connection (Scaffold) Scenario: You want to test how the amount of water affects how tall a plant grows. You give one plant a little water, another plant a medium amount, and another plant a lot of water. Question: What is the dependent variable in this experiment? A. The amount of water given to each plant B. The type of plant being tested C. The height of the plant after a few weeks ✅ D. The size of the pot the plant is in Answer: C ✅ Rationale: The dependent variable is what you measure — in this case, plant height. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. Question: Which quantity is a dependent variable in their experiment? A. The steepness of the ramp B. The distance the car travels down the ramp C. The speed at which the car travels down the ramp ✅ D. The number of books that prop up the ramp Answer: C ✅ Rationale: The dependent variable is the outcome being measured. In this case, Darla and Rob measure the car’s speed. ✨ This scaffold moves from an everyday example (plant growth) → to the experiment setup (car + ramp), helping students clearly see how to identify dependent variables. Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Step 1 – Simpler Real-Life Connection (Scaffold) Scenario: You want to test how the amount of sunlight affects how tall a plant grows. One plant gets 2 hours of sunlight, another gets 6 hours, and another gets 10 hours. Question: What is the independent variable in this experiment? A. The type of plant B. The number of hours of sunlight each plant gets ✅ C. The soil used in the pots D. The height of the plant after a few weeks Answer: B ✅ Rationale: The independent variable is what you change on purpose — here, it’s the amount of sunlight. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. Question: Which quantity is the independent variable in their experiment? A. The steepness of the ramp B. The speed of the car C. The number of books that prop up the ramp D. The weight added to the car ✅ Answer: D ✅ Rationale: The independent variable is what is changed on purpose in the experiment. Darla and Rob are changing the car’s weight. Real-life, simple example of controlling variables, then apply the same thinking to Darla and Rob’s Energy of Motion investigation. Step 1 – Simpler Real-Life Question (Scaffold) Scenario: You and a friend want to test how far different types of balls (tennis ball, basketball, soccer ball) roll on the playground. To make it a fair test, you need to make sure the same force is used each time. Question: What should you do to keep the test fair? A. Roll each ball from the same spot using the same push every time. ✅ B. Roll the lighter balls with a stronger push than the heavier ones. C. Push the heavier balls faster so they roll farther. D. Roll each ball from a different spot on the playground. Answer: A ✅ Rationale: To test fairly, you must control variables—same spot, same push, same surface. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. They need to keep the force on the car controlled for every trial. Question: Which statement best describes how they could control the force? A. Make the ramp smoother as they add weights. B. Decrease the steepness of the ramp as they add weights. C. Use the same ramp and ramp height as they add weights. ✅ D. Place more books at the end of the ramp as they add weights. Answer: C ✅ Rationale: To control the force, they must keep the ramp conditions (same length, same height, same surface) constant across trials. 👉 This scaffold lets students first practice the idea of controlling variables with something familiar (rolling balls), then apply it to the ramp and car experiment. Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Level 1 – Simple Real-Life Question (Rolling Ball) Imagine you roll a soccer ball gently across the grass. Then, you roll the same soccer ball harder across the grass. Which statement is true? A. Rolling the ball harder does not change how fast it moves. B. Rolling the ball harder makes the ball move slower. C. Rolling the ball harder makes the ball move faster. D. Rolling the ball harder makes the ball move a shorter distance. ✅ Correct Answer: C (Rolling harder = faster motion) Level 2 – Science Application (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup is a ramp made of a 30 cm piece of wood, propped on 4 books. They measure the time it takes the car to travel down the ramp. Car + Mass Trial 1 Trial 2 Trial 3 Car only 7.5 7.2 7.2 Car + 25 grams 6.5 6.3 6.6 Car + 50 grams 5.6 5.4 5.3 Question: Select TWO statements that BEST describe the data. A. The data show that adding mass does not affect the car’s motion. B. The distance the car moves down the track decreases as mass is added. C. The distance the car moves down the track increases as mass is added. D. The data show that adding mass affects the car’s motion. E. The car moves faster as more mass is added. F. The car slows down as more mass is added. ✅ Correct Answers: D and E Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Scaffolded Version Level 1 – Real-Life Connection (Slide at the Playground) Imagine you go down a playground slide. Then, you hold a heavy backpack and slide down again. What usually happens when you slide with the backpack? A. You go down slower with the backpack. B. You go down faster with the backpack. C. You stop halfway down the slide. D. The backpack makes no difference. ✅ Correct Answer: B (You go down faster with more mass.) Level 2 – Science Application (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup is a 30 cm piece of wood propped on 4 books to create a ramp. What are they testing in this experiment? A. Whether the car’s speed changes when weights are added B. Whether the ramp gets longer when weights are added C. Whether the books move when weights are added D. Whether the ramp gets steeper when weights are added ✅ Correct Answer: A 👉 This gives students a concrete real-life example (slide + backpack) before asking them to apply the idea in the science setup (car + ramp + weights). Here’s a scaffolded MCQ set for independent and dependent variables using the playground → ramp experiment structure. Step 1 – Dependent Variable (What is measured) Level 1 – Playground Example You slide down a playground slide with and without a heavy backpack. Question: What is the dependent variable in this scenario? A. The height of the slide B. How fast you slide down ✅ C. The weight of the backpack D. The number of kids at the playground Answer: B ✅ Rationale: The dependent variable is what you measure — in this case, your sliding speed. Level 2 – Ramp Experiment Example Darla and Rob test if adding weights to a car affects its speed down a ramp. Question: What is the dependent variable in this experiment? A. The height of the ramp B. The weight added to the car C. The speed of the car down the ramp ✅ D. The length of the ramp Answer: C ✅ Rationale: They are measuring how fast the car travels — the dependent variable. Step 1 – Independent Variable (What is changed) Level 1 – Playground Example You slide down a playground slide with no backpack, a light backpack, and a heavy backpack. Question: What is the independent variable in this scenario? A. The weight of the backpack ✅ B. How fast you slide down C. The length of the slide D. The type of playground surface Answer: A ✅ Rationale: The independent variable is what you change on purpose — here, the backpack weight. Level 2 – Ramp Experiment Example Darla and Rob add different weights to a car to see how it affects its speed down a ramp. Question: What is the independent variable in this experiment? A. The ramp’s height B. The speed of the car C. The weight added to the car ✅ D. The length of the ramp Answer: C ✅ Rationale: The independent variable is what is changed intentionally to test the effect — the added car weight. This paired scaffold helps students see the concept in everyday life (playground) and then apply it to the science experiment (car + ramp). Here’s a scaffolded version for teaching “forces in the same direction,” starting with a simple real-life scenario and moving to the science concept. Step 1 – Real-Life Connection (Simpler Example) Scenario: You and a friend are pushing a toy car across the floor in the same direction. Question: What happens to the force on the toy car? A. The forces cancel each other out. B. The stronger one “wins.” C. The forces add together ✅ D. Find their sum and divide by two. Answer: C ✅ Rationale: When two forces act in the same direction, they combine to make a bigger total force, so the toy car moves faster. Step 2 – Science Application (Energy of Motion Passage) Scenario: Two forces act on a car rolling down a ramp in the same direction. Question: What happens when the two forces act in the same direction? A. They add together ✅ B. They cancel each other out C. The stronger one “wins” D. Find their sum and divide by two Answer: A ✅ Rationale: Forces in the same direction combine, increasing the overall effect on the motion of the car. This scaffold helps students connect a familiar, hands-on example (pushing a toy car) to the abstract concept of forces on a ramp. Side-by-Side Scaffold: Forces in Same vs. Opposite Directions Scenario Question Choices Answer Same Direction You and a friend push a toy car across the floor in the same direction. What happens to the total force on the car? A. They cancel each other out. B. The stronger one “wins”. C. They add together. D. Find their sum and divide by two. C ✅ Forces add together. Opposite Direction You push a toy car forward, but a friend pushes it backward at the same time. What happens to the total force on the car? A. They cancel each other out. B. The stronger one “wins”. C. They add together. D. Find their sum and divide by two. B ✅ The stronger force “wins” (net force = difference). Key Takeaways for Students Same Direction: Forces combine → bigger total force → car moves faster. Opposite Direction: Forces work against each other → net force = difference → the stronger force determines motion. ✨ This layout allows students to directly compare both cases, making it easier to understand how forces combine depending on direction. The illustration shows all the forces in Newtons (N) acting on a box. The sum of all the forces acting on the box results in a force acting on the box– A to the right with a strength of 11 Newtons. B to the left with a strength of 7 Newtons. C to the right with a strength of 25 Newtons. Correct D to the left with a strength of 6 Newtons. Step 1 – Real-Life Connection (Simpler Example) Scenario: Imagine you're playing tug-of-war with a friend. You're pulling to the right with a force of 8 Newtons (N), and your friend is pulling to the left with a force of 5 N. Question: What is the net force acting on the rope? A. 13 N to the right B. 3 N to the right ✅ C. 3 N to the left D. 13 N to the left Answer: B ✅ Explanation: Since the forces are in opposite directions, subtract the smaller force from the larger one. 8 N (right) − 5 N (left) = 3 N to the right. Step 2 – Science Application (Box on a Surface) Scenario: Consider a box resting on a flat surface. A 10 N force is applied to the right, and a 4 N force is applied to the left. Question: What is the net force acting on the box? A. 14 N to the right B. 6 N to the right ✅ C. 6 N to the left D. 14 N to the left Answer: B ✅ Explanation: The forces are in opposite directions. Subtract the smaller force from the larger one: 10 N (right) − 4 N (left) = 6 N to the right. Step 3 – Visual Representation To further illustrate this concept, consider the following diagram: In this diagram, the box experiences forces of equal magnitude but in opposite directions, resulting in a net force of zero. Balanced and Unbalanced Force Two different balls are rolled at the same bowling pin, which is not moving. When Ball #1 collides with the pin, the bowling pin falls down and moves a short distance, as shown below. When Ball #2 collides with the pin, the bowling pin falls down and moves twice as far: Step 1 – Real-Life Connection (Simpler Example) Scenario: You gently push a toy car across the floor. The car starts moving and rolls a short distance. Then, you push it harder, and it rolls much farther. Question: When you push the car, are the forces on the car balanced or unbalanced? A. Balanced B. Unbalanced ✅ Answer: B ✅ Rationale: The car moves because the applied force is greater than any opposing forces, so the forces are unbalanced. Step 2 – Science Application (Bowling Pin Example) Scenario: Two different balls are rolled at the same stationary bowling pin. Ball #1 hits the pin → pin falls and moves a short distance. Ball #2 hits the pin → pin falls and moves twice as far. Question: When the ball and bowling pin collide, are the forces on the bowling pin balanced or unbalanced? A. Balanced in both examples B. Unbalanced in both examples ✅ C. Balanced when Ball #1 collides, unbalanced when Ball #2 collides D. Unbalanced when Ball #1 collides, balanced when Ball #2 collides E. There is not enough information to tell Answer: B ✅ Rationale: The pin moves in both cases because the forces acting on it are unbalanced. If the forces were balanced, the pin would not move at all. This scaffold helps students first connect to an everyday push/pull scenario, then understand force imbalance in collisions like the bowling pin. Scenario: Rolling Balls at a Pin Imagine you are at a mini bowling game. You roll two different balls at a standing pin. Ball #1 is light and slow. When it hits the pin, the pin falls over and moves a little. Ball #2 is heavier and faster. When it hits the pin, the pin falls over and slides far across the lane. Question: When the ball and pin collide, are the forces on the bowling pin balanced or unbalanced? Options: A. Balanced in both examples B. Unbalanced in both examples C. Balanced when Ball #1 collides, unbalanced when Ball #2 collides D. Unbalanced when Ball #1 collides, balanced when Ball #2 collides E. There is not enough information to tell 💡 Hint for students: A balanced force means the object does not move. An unbalanced force means the object changes its motion (moves or falls). ✅ Answer: B. Unbalanced in both examples Both balls cause the pin to fall and move, which means the forces are unbalanced in both cases. If you want, I can also make a visual worksheet version with diagrams of Ball #1 and Ball #2 hitting the pin so it’s even more student-friendly. Do you want me to do that? Question: Imagine you are sliding a book across a table. You use your hand to push the book. What is the push or pull you are using in the book called? A. Acceleration B. Force C. Inertia D. Law of Conservation of Momentum Hint: A push or a pull can make an object start moving, stop moving, or change direction. Question:You are pushing a shopping cart at the grocery store. The cart starts to move when you push it. What do we call the push you used on the cart? A. Acceleration – how fast the cart moves B. Force – a push or a pull on an object C. Inertia – the cart’s resistance to moving D. Law of Conservation of Momentum – how motion is conserved Hint: Think about what actually makes the cart start moving. Question: Imagine you are sliding a toy car across the floor. If no one stops it and nothing slows it down, what will the toy car do? A. Keep moving B. Maintain a constant speed C. Keep going in the same direction D. All of the above Hint: Think about what happens when there is nothing pushing or pulling on the car. Without an unbalanced force acting on it, a moving object will A Keep Moving B Maintain a constant speed C Keep going in the same direction D All of the above Which object would need the most force to make it stop moving? A A 1,000kg (kilograms) car moving at 10kph (kilometers per hour) B A 1,500kg (kilograms) car moving at 10kph (kilometers per hour) C A 2,000kg (kilograms) car moving at 10kph (kilometers per hour) D A 2,500kg (kilograms) car moving at 10kph (kilometers per hour) Question:”
Teacher Guide & Tips
- Use this packet as a 45-minute whole-class lesson or for independent practice.
- Discussion question: How does the concept of force apply to everyday activities like pushing a swing or riding a bike?
- Scaffold for struggling readers: Encourage students to draw pictures or act out the scenarios described in the questions.
- Extension for advanced students: Ask students to research and explain Newton's Laws of Motion in their own words.
- Estimated time: 45 minutes.
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Try Diffit for free“create a student friendly worksheet for partner activities with ELL scaffolds and visuals: Check for understanding of force = mass × acceleration. Level 1 – Everyday Connection Question: You and a friend are pushing shopping carts at the grocery store. Both carts have the same mass, but you push your cart faster. Which cart hits harder when it bumps into something? Choices: A. My friend’s cart, because the carts weigh the same. B. My cart, because it’s moving faster, so it has more force. C. Both carts hit the same, because they are the same mass. D. Neither cart, because speed doesn’t affect force. Answer: B ✅ Rationale: Force depends on both mass and speed/acceleration. A faster cart hits harder.Level 2 – Sports Connection (Intermediate) Question: Two kids are kicking soccer balls that weigh the same. One kicks the ball gently, and the other kicks it really hard. Which kick makes the ball move farther? Choices: A. The gentle kick, because the ball is lighter. B. The hard kick, because more speed means more force. C. Both kicks are the same, because the balls weigh the same. D. Neither kick, because force doesn’t matter. Answer: B ✅ Rationale: With the same mass, the harder (faster) kick has more force. Level 3 – Original Bat Question A coach is comparing two bats. Both bats have the same mass, but aluminum bats can be swung about 10 miles per hour faster than wooden bats. Should the coach use this information to decide which type of bat is better? Explain. Choices: A. No. The material doesn’t matter. Only how fast the ball is pitched affects the force. B. No. Since both bats have the same mass, they will hit the ball with the same force. C. Yes. The coach should choose aluminum bats because a bat that swings faster will hit the ball with more force. D. Yes. The coach should choose wooden bats because a slower swing stores more potential energy, which means more force. C. Correct → Since the mass is the same, the aluminum bat has more force because it swings faster. Passage (Softball Batting Context) A coed softball team is designing a batting and pitching plan for their season, including which bats the team will purchase and use. The coach is deciding which option is best for each player on the team. The coach would like for her choices to help the players successfully hit the ball as far as possible. Use the drop-down menus to explain the relationship between the bat and the ball during the collision. Rubric (1 point): The bat and ball have different masses and speeds, but they will have the same collision force. The ball will travel much faster than the bat after the collision because it has less mass than the bat.MCQ Set (Modified for 6th Grade) Q1. (Foundational) When the bat hits the softball, which of the following is true about the forces between them? A. The bat pushes harder on the ball than the ball pushes on the bat. B. The ball pushes harder on the bat than the bat pushes on the ball. C. The bat and ball push on each other with the same force. ✅ D. Neither pushes on the other because they are moving too quickly. Q2. (Real-Life Application) Why does the ball travel faster than the bat after the collision? A. The ball has less mass, so the same force causes it to accelerate more. ✅ B. The bat has less mass, so it moves slower. C. The ball always travels faster than the bat, no matter what. D. The coach swung the bat slower on purpose.Q3. (Coach’s Decision – Application to Passage) The coach wants players to hit the ball as far as possible. Which is the best reasoning for choosing a bat? A. A bat with less mass is always better, because it will push harder on the ball. B. A heavier bat is always better, because it will make the ball move faster. C. The mass of the bat and the swing speed together determine how much force the ball receives. ✅ D. The material of the bat doesn’t matter, because all bats transfer the same amount of force.Q4. (Challenge Question – Transfer of Ideas) If the softball were much heavier, what would happen when the bat hits it? A. The ball would move just as fast as before, because the bat’s speed doesn’t matter. B. The bat and the ball would still have the same collision force, but the heavier ball would move slower. ✅ C. The bat would no longer apply any force on the ball. D. The ball would push on the bat harder, so the bat would break. 👉 This set moves from Newton’s 3rd Law (equal forces) → mass vs. acceleration relationship → application to the coach’s decision → extension challenge. Newton’s 3rd Law Passage (Cracker Delivery Context) A delivery person supplies crackers to many grocery stores. At each stop, the boxes of crackers are dropped from the truck to the ground. When customers later open the packages, many crackers are broken. The driver wonders why dropping the boxes causes this problem. MCQ Question (Newton’s 3rd Law Focus) The crackers break when the box is dropped. Which statement best describes the action-reaction force pair in this situation? A. The box pushes on the ground, and the ground pushes back with a larger force. B. The delivery driver pushes on the box, and the box pushes harder on the ground. C. The box pushes on the ground, and the ground pushes back with an equal and opposite force. ✅ D. The delivery driver pushes on the box, and the box pushes back equally on the ground. Step 1 – Everyday Connection (Scaffold) Question: You drop a basketball on the floor. The ball hits the floor, and then it bounces back up. Which statement best shows Newton’s 3rd Law? A. The ball pushes on the floor, and the floor pushes back on the ball with an equal and opposite force. ✅ B. The ball pushes harder on the floor than the floor pushes on the ball. C. The floor pushes harder on the ball than the ball pushes on the floor. D. The ball pushes the air, and the air pushes back on the ball. Answer: A ✅ Rationale: Newton’s 3rd Law says that for every action, there’s an equal and opposite reaction. That’s why the ball bounces. Step 2 – Science Application (Cracker Delivery Passage) Passage: A delivery person supplies crackers to many grocery stores. Boxes are dropped from the truck to the ground. Later, customers notice many crackers are broken. Question: The crackers break when the box is dropped. Which statement best shows the action-reaction relationship? A. The box pushes on the ground, and the ground pushes back with a larger force. B. The delivery driver pushes on the box, and the box pushes harder on the ground. C. The box pushes on the ground, and the ground pushes back with an equal and opposite force. ✅ D. The delivery driver pushes on the box, and the box pushes back equally on the ground. Answer: C ✅ Rationale: The force between the box and ground is equal and opposite. The crackers break because the force transfers through the box to the crackers. 👉 This way, students first practice with a simple ball-floor example, then apply the same law to a real-world delivery problem. Students first visualize a scooter crash (familiar), then transfer the same Newton’s 3rd Law principle into the zipline design challenge. Step 1 – Simpler Real-Life Connection Scenario: You’re riding a scooter and roll into a wall by accident. When the scooter hits the wall, it stops suddenly, and you feel the push back. Question (Part A): Which phrase best explains what happened when you hit the wall? A. Force is equal to mass times acceleration. B. For every action, there is an equal and opposite reaction. ✅ C. A body at rest stays at rest unless a force acts on it. D. An object in motion stays in motion unless a force acts on it. Question (Part B): If you want to make the crash less painful, what would help the most? A. Ride the scooter faster so the wall pushes back harder. B. Use padding or slow down so the wall pushes back with less force. ✅ C. Carry more weight so the scooter has more force when it hits. D. Ride without brakes so you keep moving forward. Step 2 – Science Application (Zipline Passage) Passage Recap: Two students build a zipline with a container carrying objects. When released from the taller tower, the container crashes into the other tower and breaks. Question (Part A): Which phrase best defines Newton’s third law of motion? A. Force is equal to mass times acceleration. B. For every action, there is an equal and opposite reaction. ✅ C. A body at rest remains at rest unless acted upon by an outside force. D. An object in motion remains in motion unless acted upon by an outside force. Question (Part B): How can Newton’s third law be applied to improve the design? A. Increase the mass of the container to decrease the force of the collision. B. Decrease the mass of the container to increase the force of the collision. C. If the force of the container increases, the wall’s force back will also increase. D. If the force of the container decreases, the wall’s force back will also decrease. ✅ Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Step 1 – Simpler Real-Life Connection (Scaffold) Scenario: You want to test how the amount of water affects how tall a plant grows. You give one plant a little water, another plant a medium amount, and another plant a lot of water. Question: What is the dependent variable in this experiment? A. The amount of water given to each plant B. The type of plant being tested C. The height of the plant after a few weeks ✅ D. The size of the pot the plant is in Answer: C ✅ Rationale: The dependent variable is what you measure — in this case, plant height. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. Question: Which quantity is a dependent variable in their experiment? A. The steepness of the ramp B. The distance the car travels down the ramp C. The speed at which the car travels down the ramp ✅ D. The number of books that prop up the ramp Answer: C ✅ Rationale: The dependent variable is the outcome being measured. In this case, Darla and Rob measure the car’s speed. ✨ This scaffold moves from an everyday example (plant growth) → to the experiment setup (car + ramp), helping students clearly see how to identify dependent variables. Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Step 1 – Simpler Real-Life Connection (Scaffold) Scenario: You want to test how the amount of sunlight affects how tall a plant grows. One plant gets 2 hours of sunlight, another gets 6 hours, and another gets 10 hours. Question: What is the independent variable in this experiment? A. The type of plant B. The number of hours of sunlight each plant gets ✅ C. The soil used in the pots D. The height of the plant after a few weeks Answer: B ✅ Rationale: The independent variable is what you change on purpose — here, it’s the amount of sunlight. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. Question: Which quantity is the independent variable in their experiment? A. The steepness of the ramp B. The speed of the car C. The number of books that prop up the ramp D. The weight added to the car ✅ Answer: D ✅ Rationale: The independent variable is what is changed on purpose in the experiment. Darla and Rob are changing the car’s weight. Real-life, simple example of controlling variables, then apply the same thinking to Darla and Rob’s Energy of Motion investigation. Step 1 – Simpler Real-Life Question (Scaffold) Scenario: You and a friend want to test how far different types of balls (tennis ball, basketball, soccer ball) roll on the playground. To make it a fair test, you need to make sure the same force is used each time. Question: What should you do to keep the test fair? A. Roll each ball from the same spot using the same push every time. ✅ B. Roll the lighter balls with a stronger push than the heavier ones. C. Push the heavier balls faster so they roll farther. D. Roll each ball from a different spot on the playground. Answer: A ✅ Rationale: To test fairly, you must control variables—same spot, same push, same surface. Step 2 – Science Application (Energy of Motion Passage) Passage Recap: Darla and Rob want to test if adding weights to a car affects its speed down a ramp. The ramp is 30 cm long and propped up on four books for a height of 8 cm. They need to keep the force on the car controlled for every trial. Question: Which statement best describes how they could control the force? A. Make the ramp smoother as they add weights. B. Decrease the steepness of the ramp as they add weights. C. Use the same ramp and ramp height as they add weights. ✅ D. Place more books at the end of the ramp as they add weights. Answer: C ✅ Rationale: To control the force, they must keep the ramp conditions (same length, same height, same surface) constant across trials. 👉 This scaffold lets students first practice the idea of controlling variables with something familiar (rolling balls), then apply it to the ramp and car experiment. Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Level 1 – Simple Real-Life Question (Rolling Ball) Imagine you roll a soccer ball gently across the grass. Then, you roll the same soccer ball harder across the grass. Which statement is true? A. Rolling the ball harder does not change how fast it moves. B. Rolling the ball harder makes the ball move slower. C. Rolling the ball harder makes the ball move faster. D. Rolling the ball harder makes the ball move a shorter distance. ✅ Correct Answer: C (Rolling harder = faster motion) Level 2 – Science Application (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup is a ramp made of a 30 cm piece of wood, propped on 4 books. They measure the time it takes the car to travel down the ramp. Car + Mass Trial 1 Trial 2 Trial 3 Car only 7.5 7.2 7.2 Car + 25 grams 6.5 6.3 6.6 Car + 50 grams 5.6 5.4 5.3 Question: Select TWO statements that BEST describe the data. A. The data show that adding mass does not affect the car’s motion. B. The distance the car moves down the track decreases as mass is added. C. The distance the car moves down the track increases as mass is added. D. The data show that adding mass affects the car’s motion. E. The car moves faster as more mass is added. F. The car slows down as more mass is added. ✅ Correct Answers: D and E Passage (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup consists of a ramp made of a piece of wood that is 30 cm long. The ramp is propped up on four books to give it a height at one end of 8 cm. Scaffolded Version Level 1 – Real-Life Connection (Slide at the Playground) Imagine you go down a playground slide. Then, you hold a heavy backpack and slide down again. What usually happens when you slide with the backpack? A. You go down slower with the backpack. B. You go down faster with the backpack. C. You stop halfway down the slide. D. The backpack makes no difference. ✅ Correct Answer: B (You go down faster with more mass.) Level 2 – Science Application (Energy of Motion) Darla and Rob plan an investigation to see if adding weights to a car affects its speed down a ramp. Their experimental setup is a 30 cm piece of wood propped on 4 books to create a ramp. What are they testing in this experiment? A. Whether the car’s speed changes when weights are added B. Whether the ramp gets longer when weights are added C. Whether the books move when weights are added D. Whether the ramp gets steeper when weights are added ✅ Correct Answer: A 👉 This gives students a concrete real-life example (slide + backpack) before asking them to apply the idea in the science setup (car + ramp + weights). Here’s a scaffolded MCQ set for independent and dependent variables using the playground → ramp experiment structure. Step 1 – Dependent Variable (What is measured) Level 1 – Playground Example You slide down a playground slide with and without a heavy backpack. Question: What is the dependent variable in this scenario? A. The height of the slide B. How fast you slide down ✅ C. The weight of the backpack D. The number of kids at the playground Answer: B ✅ Rationale: The dependent variable is what you measure — in this case, your sliding speed. Level 2 – Ramp Experiment Example Darla and Rob test if adding weights to a car affects its speed down a ramp. Question: What is the dependent variable in this experiment? A. The height of the ramp B. The weight added to the car C. The speed of the car down the ramp ✅ D. The length of the ramp Answer: C ✅ Rationale: They are measuring how fast the car travels — the dependent variable. Step 1 – Independent Variable (What is changed) Level 1 – Playground Example You slide down a playground slide with no backpack, a light backpack, and a heavy backpack. Question: What is the independent variable in this scenario? A. The weight of the backpack ✅ B. How fast you slide down C. The length of the slide D. The type of playground surface Answer: A ✅ Rationale: The independent variable is what you change on purpose — here, the backpack weight. Level 2 – Ramp Experiment Example Darla and Rob add different weights to a car to see how it affects its speed down a ramp. Question: What is the independent variable in this experiment? A. The ramp’s height B. The speed of the car C. The weight added to the car ✅ D. The length of the ramp Answer: C ✅ Rationale: The independent variable is what is changed intentionally to test the effect — the added car weight. This paired scaffold helps students see the concept in everyday life (playground) and then apply it to the science experiment (car + ramp). Here’s a scaffolded version for teaching “forces in the same direction,” starting with a simple real-life scenario and moving to the science concept. Step 1 – Real-Life Connection (Simpler Example) Scenario: You and a friend are pushing a toy car across the floor in the same direction. Question: What happens to the force on the toy car? A. The forces cancel each other out. B. The stronger one “wins.” C. The forces add together ✅ D. Find their sum and divide by two. Answer: C ✅ Rationale: When two forces act in the same direction, they combine to make a bigger total force, so the toy car moves faster. Step 2 – Science Application (Energy of Motion Passage) Scenario: Two forces act on a car rolling down a ramp in the same direction. Question: What happens when the two forces act in the same direction? A. They add together ✅ B. They cancel each other out C. The stronger one “wins” D. Find their sum and divide by two Answer: A ✅ Rationale: Forces in the same direction combine, increasing the overall effect on the motion of the car. This scaffold helps students connect a familiar, hands-on example (pushing a toy car) to the abstract concept of forces on a ramp. Side-by-Side Scaffold: Forces in Same vs. Opposite Directions Scenario Question Choices Answer Same Direction You and a friend push a toy car across the floor in the same direction. What happens to the total force on the car? A. They cancel each other out. B. The stronger one “wins”. C. They add together. D. Find their sum and divide by two. C ✅ Forces add together. Opposite Direction You push a toy car forward, but a friend pushes it backward at the same time. What happens to the total force on the car? A. They cancel each other out. B. The stronger one “wins”. C. They add together. D. Find their sum and divide by two. B ✅ The stronger force “wins” (net force = difference). Key Takeaways for Students Same Direction: Forces combine → bigger total force → car moves faster. Opposite Direction: Forces work against each other → net force = difference → the stronger force determines motion. ✨ This layout allows students to directly compare both cases, making it easier to understand how forces combine depending on direction. The illustration shows all the forces in Newtons (N) acting on a box. The sum of all the forces acting on the box results in a force acting on the box– A to the right with a strength of 11 Newtons. B to the left with a strength of 7 Newtons. C to the right with a strength of 25 Newtons. Correct D to the left with a strength of 6 Newtons. Step 1 – Real-Life Connection (Simpler Example) Scenario: Imagine you're playing tug-of-war with a friend. You're pulling to the right with a force of 8 Newtons (N), and your friend is pulling to the left with a force of 5 N. Question: What is the net force acting on the rope? A. 13 N to the right B. 3 N to the right ✅ C. 3 N to the left D. 13 N to the left Answer: B ✅ Explanation: Since the forces are in opposite directions, subtract the smaller force from the larger one. 8 N (right) − 5 N (left) = 3 N to the right. Step 2 – Science Application (Box on a Surface) Scenario: Consider a box resting on a flat surface. A 10 N force is applied to the right, and a 4 N force is applied to the left. Question: What is the net force acting on the box? A. 14 N to the right B. 6 N to the right ✅ C. 6 N to the left D. 14 N to the left Answer: B ✅ Explanation: The forces are in opposite directions. Subtract the smaller force from the larger one: 10 N (right) − 4 N (left) = 6 N to the right. Step 3 – Visual Representation To further illustrate this concept, consider the following diagram: In this diagram, the box experiences forces of equal magnitude but in opposite directions, resulting in a net force of zero. Balanced and Unbalanced Force Two different balls are rolled at the same bowling pin, which is not moving. When Ball #1 collides with the pin, the bowling pin falls down and moves a short distance, as shown below. When Ball #2 collides with the pin, the bowling pin falls down and moves twice as far: Step 1 – Real-Life Connection (Simpler Example) Scenario: You gently push a toy car across the floor. The car starts moving and rolls a short distance. Then, you push it harder, and it rolls much farther. Question: When you push the car, are the forces on the car balanced or unbalanced? A. Balanced B. Unbalanced ✅ Answer: B ✅ Rationale: The car moves because the applied force is greater than any opposing forces, so the forces are unbalanced. Step 2 – Science Application (Bowling Pin Example) Scenario: Two different balls are rolled at the same stationary bowling pin. Ball #1 hits the pin → pin falls and moves a short distance. Ball #2 hits the pin → pin falls and moves twice as far. Question: When the ball and bowling pin collide, are the forces on the bowling pin balanced or unbalanced? A. Balanced in both examples B. Unbalanced in both examples ✅ C. Balanced when Ball #1 collides, unbalanced when Ball #2 collides D. Unbalanced when Ball #1 collides, balanced when Ball #2 collides E. There is not enough information to tell Answer: B ✅ Rationale: The pin moves in both cases because the forces acting on it are unbalanced. If the forces were balanced, the pin would not move at all. This scaffold helps students first connect to an everyday push/pull scenario, then understand force imbalance in collisions like the bowling pin. Scenario: Rolling Balls at a Pin Imagine you are at a mini bowling game. You roll two different balls at a standing pin. Ball #1 is light and slow. When it hits the pin, the pin falls over and moves a little. Ball #2 is heavier and faster. When it hits the pin, the pin falls over and slides far across the lane. Question: When the ball and pin collide, are the forces on the bowling pin balanced or unbalanced? Options: A. Balanced in both examples B. Unbalanced in both examples C. Balanced when Ball #1 collides, unbalanced when Ball #2 collides D. Unbalanced when Ball #1 collides, balanced when Ball #2 collides E. There is not enough information to tell 💡 Hint for students: A balanced force means the object does not move. An unbalanced force means the object changes its motion (moves or falls). ✅ Answer: B. Unbalanced in both examples Both balls cause the pin to fall and move, which means the forces are unbalanced in both cases. If you want, I can also make a visual worksheet version with diagrams of Ball #1 and Ball #2 hitting the pin so it’s even more student-friendly. Do you want me to do that? Question: Imagine you are sliding a book across a table. You use your hand to push the book. What is the push or pull you are using in the book called? A. Acceleration B. Force C. Inertia D. Law of Conservation of Momentum Hint: A push or a pull can make an object start moving, stop moving, or change direction. Question:You are pushing a shopping cart at the grocery store. The cart starts to move when you push it. What do we call the push you used on the cart? A. Acceleration – how fast the cart moves B. Force – a push or a pull on an object C. Inertia – the cart’s resistance to moving D. Law of Conservation of Momentum – how motion is conserved Hint: Think about what actually makes the cart start moving. Question: Imagine you are sliding a toy car across the floor. If no one stops it and nothing slows it down, what will the toy car do? A. Keep moving B. Maintain a constant speed C. Keep going in the same direction D. All of the above Hint: Think about what happens when there is nothing pushing or pulling on the car. Without an unbalanced force acting on it, a moving object will A Keep Moving B Maintain a constant speed C Keep going in the same direction D All of the above Which object would need the most force to make it stop moving? A A 1,000kg (kilograms) car moving at 10kph (kilometers per hour) B A 1,500kg (kilograms) car moving at 10kph (kilometers per hour) C A 2,000kg (kilograms) car moving at 10kph (kilometers per hour) D A 2,500kg (kilograms) car moving at 10kph (kilometers per hour) Question:”
Teacher Guide & Tips
- Use this packet as a 45-minute whole-class lesson or for independent practice.
- Discussion question: How does the concept of force apply to everyday activities like pushing a swing or riding a bike?
- Scaffold for struggling readers: Encourage students to draw pictures or act out the scenarios described in the questions.
- Extension for advanced students: Ask students to research and explain Newton's Laws of Motion in their own words.
- Estimated time: 45 minutes.
Force and Motion Practice for 6th Grade
This 10-page packet helps 6th graders understand the relationship between force, mass, and acceleration through real-world examples and practice questions. It includes scaffolds for ELL students and visual aids to support comprehension.
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