When things bump into each other

Question 1

A big heavy ball and a small light ball roll at the same speed into a box. Which pushes the box more?

• A. they push it the same
• B. the heavy ball
• C. neither touches it
• D. the light ball

Question 2

A marble rolled down ramps of different heights and hit a paper cup. The chart shows how far the cup moved (cm). Which ramp gave the hardest hit?

• A. low ramp
• B. middle ramp
• C. high ramp

Question 3

True or false? When two toy cars bump, nothing pushes on either car.

• A. True
• B. False

Question 4

Why do bumper cars have thick rubber all around them?

• A. to make them go faster
• B. to make them quieter
• C. to soften the bumps when they crash into each other
• D. to make them heavier

Question 5

A marble rolled down ramps of different heights and hit a paper cup. The chart shows how far the cup moved (cm). How much further did the cup move with the high ramp than with the low ramp?

Answer cm

Question 6

True or false? Helmets protect your head if you bump into something.

• A. True
• B. False

Question 7

A big heavy ball and a small light ball roll at the same speed into a box. Which pushes the box more?

• A. they push it the same
• B. neither touches it
• C. the light ball
• D. the heavy ball

Question 8

A marble rolled down ramps of different heights and hit a paper cup. The chart shows how far the cup moved (cm). How much further did the cup move with the high ramp than with the low ramp?

Answer cm

Question 9

True or false? A faster ball hits harder than a slower ball.

• A. True
• B. False

Question 10

Why do bumper cars have thick rubber all around them?

• A. to make them go faster
• B. to soften the bumps when they crash into each other
• C. to make them quieter
• D. to make them heavier

Question 11

A marble rolled down ramps of different heights and hit a paper cup. The chart shows how far the cup moved (cm). How much further did the cup move with the high ramp than with the low ramp?

Answer cm

Question 12

True or false? A slow ball knocks down more pins than a fast ball.

• A. True
• B. False

Question 13

A bowling ball rolls into the pins. Why do the pins fall over?

• A. The ball pushes them when it hits them.
• B. The pins pull the ball.
• C. The pins were going to fall anyway.
• D. The noise knocks them over.

Question 14

A marble rolled down ramps of different heights and hit a paper cup. The chart shows how far the cup moved (cm). Which ramp gave the hardest hit?

• A. low ramp
• B. middle ramp
• C. high ramp

Question 15

True or false? When a ball hits a wall, the wall pushes the ball back.

• A. True
• B. False

Question 16

A fast toy car and a slow toy car each hit a block. Which moves the block further?

• A. neither moves it
• B. the fast car
• C. both move it the same
• D. the slow car