Energy & Collisions Quiz 4.PS3.3

What happens when two objects collide?

• energy disappears

• energy is transferred from one object to another

• energy stays the same in both objects

• the objects lose all their energy

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What is speed?

• how slow something moves

• the rate at which an object moves

• the number that is given to the fastest object

• speed is not important

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If there were two balls traveling down a hill, which one would travel at a higher speed?

• the ball with more weight

• the ball with less weight

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Which vehicle would have the biggest energy transformation?

• a two seater car that weighs 2000 lbs

• a bicycle that weighs 300 lbs

• a car that weighs 4000 lbs

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The faster a vehicle is traveling, the more energy transformation it can have.

• true

• false

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_____ energy is mostly transferred when two objects collide.

• potential

• kinetic

• thermal

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When two marbles collide, why does one marble sometimes move faster after the collision?

• The marble has more weight.

• The marble loses energy.

• The marble gains more energy from the other marble.

• The marble changes its shape.

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When a moving soccer ball collides with another soccer ball at rest, the energy from the moving ball is to the stationary ball. As a result, the stationary ball begins to while the moving ball speed.

• transferred, move, loses

• absorbed, stop, gains

• reflected, spin, increases

• dissipated, bounce, maintains

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What is the ability to do work?

• Energy

• Collision

• Sun

• Speed

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What has to happen to objects for them to transfer energy?

• Friction

• Force

• Collide

• Stop

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