Law of Conservation of Energy Quiz

What does the law of conservation of energy state?

• Energy can be created and destroyed.

• Energy can be neither created nor destroyed, only transformed.

• Energy can be destroyed but not created.

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NGSS.MS-PS3-4

NGSS.MS-PS3-3

Which of the following is a type of potential energy?

• Thermal energy

• Chemical Potential energy

• Radiant (light) energy

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NGSS.MS-PS3-2

What type of energy is transformed into radiant energy in stars and our Sun?

• Chemical energy

• Nuclear energy

• Electrical energy

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NGSS.HS-ESS1-1

How does radiant energy from the Sun reach the Earth?

• Through a medium like air or water

• Through the vacuum of space

• Via conduction

What happens to radiant energy when it strikes the Earth's surface?

• It is reflected back into space as radiant energy.

• It is converted into chemical energy.

• It is transformed into thermal energy, warming Earth and its atmosphere.

When animals eat plants, into which two types of energy is the chemical energy mainly converted?

• Mechanical and thermal energy

• Electrical and radiant energy

• Nuclear and gravitational energy

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NGSS.MS-LS1-7

What type of energy conversion occurs in a flashlight when it is turned on?

• Chemical energy to mechanical energy

• Chemical energy to electrical energy

• Thermal energy to electrical energy

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NGSS.MS-PS3-4

In a gasoline engine, such as those found in an automobile, what type of energy is converted into thermal energy (heat) when it burns?

• Mechanical energy

• Electrical energy

• Chemical energy

In a wind-powered electric generator, what turns the propeller?

• Solar power

• Electrical energy

• Wind

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NGSS.MS-ESS2-5

What does the wind-powered electric generator convert mechanical energy into?

• Thermal energy

• Chemical energy

• Electrical energy