Energy Quiz

Kinetic energy is often referred to as the energy of __________.

• position

• motion

• champions

• sloths

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If an object's velocity is increasing, its kinetic energy will __________.

• increase

• decrease

• not change

• increase sometimes and decrease sometimes

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Kinetic energy is a type of _____________ energy.

• non-mechanical

• position

• mechanical

• nuclear

If an object's mass decreases and the velocity remains the same, its kinetic energy will ______________.

• increase

• decrease

• not change

• increase sometimes and decrease sometimes

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Potential energy is sometimes described as the energy due to ______________.

• motion

• position

• championships

• toughness

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If an identical object were lifted the same height on the moon and the Earth, the object's potential energy would ________________.

• be greater on the Earth.

• be greater on the moon.

• the same on both.

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A full grown gorilla and a full grown rabbit are both traveling at 10 m/s. Which has the larger kinetic energy and why?

• The rabbit has a larger kinetic energy because it can run faster.

• The gorilla has a larger kinetic energy because it has a greater mass and is running the same velocity as the rabbit.

• The rabbit has a larger kinetic energy because gravity helps the rabbit more.

• The gorilla has a larger kinetic energy because it is running faster than the rabbit.

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 $GPE\ =\ m\ \ \ \cdot\ \ \ g\ \ \ \ \cdot\ \ \ h\ \$  

A 5 kg bunny hops 1 meter into the air. How much potential energy does the bunny have at the top of his jump?

• 49 m

• 25.5 m

• 49 J

• 25.5 J

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The kinetic energy of a ball sitting on top Mount Everest is _____________________.

• too high to calculate.

• cannot be solved because I don't know the mass of the ball.

• zero because it is sitting still.

• very high because that is a really tall mountain!

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As a bowling ball falls in a vacuum, the kinetic energy ___________, while the potential energy _____________.

• increases; decreases

• decreases; increases

• increases; increases

• decreases; decreases

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