What happens to the momentum when two moving objects collide?

• It doubles.

• It remains the same for both objects.

• It transfers between the objects.

• It disappears.

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In the experiment with the ruler, dime, and quarter, why does the quarter move only a little bit?

• Because the dime is not moving.

• Because the quarter is lighter than the dime.

• Because the quarter is heavier than the dime.

• Because the ruler is too short.

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What happens when a truck with momentum hits a stationary ornament?

• The truck stops moving.

• The ornament gains some of the truck's momentum.

• The ornament breaks into pieces.

• The truck loses all its momentum.

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How does a model rocket use momentum to move?

• By pushing against the ground.

• By using the momentum of the hot fuel going in the opposite direction.

• By using gravity.

• By using wind resistance.

What is the key factor in the high speeds achieved in the sport of Jai Alai?

• The weight of the ball.

• The flick of the wrist and the build-up of momentum.

• The length of the court.

• The type of ball used.

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What happens to a ball soaked in liquid nitrogen when it hits the ground?

• It remains unchanged.

• It shatters into pieces.

• It bounces higher.

• It melts.

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Why is it important to wear a seatbelt in a moving car?

• To stop you from moving when the car stops.

• To keep you warm.

• To reduce fuel consumption.

• To make the car go faster.

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What is the purpose of using paint in car crash tests?

• To reduce the impact of the crash.

• To measure the speed of the car.

• To see if the face hits anything in the car.

• To make the car look better.

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In the balloon rocket experiment, what causes the balloon to move?

• The type of tape used.

• The length of the string.

• The momentum of the air escaping the balloon.

• The weight of the balloon.

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What happens to the momentum of a basketball when it is dropped with a tennis ball on top?

• The tennis ball remains stationary.

• Both balls move at the same speed.

• The tennis ball flies away quickly.

• The basketball stops moving.

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