What is the unit used to measure energy?

• Newton

• Joule

• Watt

• Hertz

Which type of potential energy is stored in a stretched rubber band?

• Gravitational

• Elastic

• Chemical

• Nuclear

What kind of energy does a moving skateboard have?

• Nuclear

• Kinetic

• Chemical

• Potential

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According to the law of conservation of energy, energy can be:

• Both created and destroyed

• Neither created nor destroyed, only transferred

• Destroyed but not created

• Created but not destroyed

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How does potential energy change as you go down a hill on a bicycle?

• Becomes thermal energy

• Remains the same

• Increases

• Decreases

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What is the formula for kinetic energy?

• KE = 1/2 k x^2

• KE = 1/2 m v^2

• KE = mgh

• KE = mv

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If the mass of an object is doubled, how does the kinetic energy change?

• It remains the same

• It halves

• It doubles

• It quadruples

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What happens to the kinetic energy if the velocity of an object is doubled?

• It halves

• It quadruples

• It remains the same

• It doubles

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What is the formula for gravitational potential energy?

• PE = mv

• PE = 1/2 k x^2

• PE = 1/2 m v^2

• PE = mgh

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If an object falls from a height, what happens to its potential energy?

• It disappears

• It increases

• It is converted to kinetic energy

• It remains constant

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