Energy Basics

The definition of energy is

• the ability to cause motion

• the ability to cause a change in health

• To move around real fast

If a bowling ball and a golf ball are both traveling at the same speed, which has more energy?

• golf ball

• bowling ball

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As an object moves slower, it's energy

• increases

• stays the same

• decreases

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Energy is conserved

• because it can not be stored

• because it can not be destroyed

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When you hit a tennis ball with a racquet, it has the most energy when

• when the ball and racquet collide

• when it flies over the net and lands on the other side

• When it's in the air

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If Tristan is at the top if a ramp at the skatepark, when does the board have stored energy?

• When Tristan first goes down the ramp.

• When Tristan waits at the top

• When Tristan puts the board in the car to go home

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Why would you be more likely to hurt yourself if you ran into a door than if you walked into a door?

• Because faster objects have more energy.

• Because heavier objects have more energy.

• Because doors are hard!

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How could a rock get energy of motion?

• Transfer from your hand when you hold it

• Transfer from your arm when you throw it

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ALL moving objects have energy.

• True

• False

If two tree limbs fell from high above, which would have more energy?

• The small limb.

• The big limb.

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