ENERGY Test Review: Book I, Unit 1

What energy is stored due to the height of an object above the ground?

• mechanical energy

• gravitational potential energy

• kinetic energy

• chemical energy

What is energy of motion?

• chemical energy

• kinetic energy

• mechanical energy

• potential energy

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Which of these is an example of the conversion of kinetic energy into gravitational potential energy?

• A person dropping a water balloon off a deck

• A toy car rolling down a track

• A baseball player running around the bases

• A car driving up a hill

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Which factors affect kinetic energy?

• mass and speed

• distance and speed

• mass and distance

• mass and height

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A child is sitting at the top of a slide. As the child slides down the slide, the potential energy decreases. What happens to the potential energy?

•  It is lost as gravitational energy.

• It is converted to kinetic energy.

• It is destroyed as the child slides down the slide.

• It is used to make the child slow down.

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Which has the most gravitational potential energy?

•   A book on the floor    

• A book on your bed

• A book on the bottom shelf in the classroom

• A book on the top shelf of the school library

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Look at the picture of the dogs. If these dogs were all running at the same speed, which of these statements would be correct?

• The smallest dog would have the most kinetic energy because it is the dog with the least mass

• All the dogs have the same kinetic energy because they are all moving at the same speed

• The largest dog would have the greatest kinetic energy because its mass is greater than that of the other dogs

• The biggest dog would have the greatest kinetic energy because it has the most potential energy

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Which slingshot has the most elastic potential energy?

• 1

• 2

• 3

A group of students performed an experiment during which they measured the rebound height of three different types of balls dropped from specific heights. In all of the trials, the balls never rebounded to the original height they were dropped from. What is the most likely explanation for this result?

• Energy was destroyed while each ball fell to the ground.

• The experiment required more energy than was available.

• Energy was produced and then used up at a faster rate.

• Some energy was transformed into heat or sound.

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Are the pictures showing examples of energy transfer or energy transformation?

• Energy transfer

• Energy transformation

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