Energy and Collision Review

Which of the following objects will have BOTH kinetic and potential energy (also called mechanical energy)? Choose all that apply.

• a box sitting on a shelf

• a bird flying through the air

• a pen resting on a table

• a football being thrown to a teammate

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The kinetic energy of an object depends on the object’s

• mass only

• speed only

• height and speed

• mass and speed

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The gravitational potential energy of an object is determined by

• the mass of the object

• the height of the object above the ground

• the volume of the object

• the weight of the object

What is transferred at the instant the bat hits the ball?

• energy

• sound

• light

• matter

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When two moving objects collide, the motion of both objects will change. Why does this happen?

• Energy is transferred from one object to another.

• Friction changes when moving objects collide.

• Object lose mass when they collide, so they weigh less.

• The motion of all objects is changing all of the time.

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When you're bowling, kinetic energy from the bowling ball is transferred to the _________________.

• your shoes

• your hand

• floor

• pins

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What do we call the section of a car that absorbs energy in a collision?

• windshield

• bumper

• hood

• crumple zone

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In science, when one object runs into another we call it a __________.

• crash

• hit

• strike

• collision

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As an object moves faster, it has more of what to transfer?

• weight

• energy

• density

• matter

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If you increase the weight of a moving object, the amount of energy it can transfer does what?

• stays the same

• decreases

• increases

• none of these

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