The Law of the Conservation of Energy

The ___ coils a wire has the ___ current is able to be generated.

• more; more

• less; more

• more; less

• less; less

Tags

NGSS.HS-PS2-5

At what point will the roller coaster car have transformed the greatest amount of gravitational potential energy into kinetic energy?

• W

• X

• Y

• Z

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NGSS.MS-PS3-5

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Look at the diagram of a light bulb on a simple circuit. Over time, the battery loses power and the bulb dims. Finally, it goes out. What happened to the energy?

• The battery creates new energy.

• There is no energy being transformed by the system.

• Energy is being destroyed by the system.

• Energy is leaving the system in the form of light.

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NGSS.MS-PS3-5

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Which energy transformation occurs in photosynthesis, including the concept of energy conservation?

• Chemical energy to light energy

• Light energy to chemical energy

• Mechanical energy to thermal energy

• Thermal energy to mechanical energy

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Look at the diagram.

• Energy is created at each trophic level.

• Energy is destroyed as it moves through the food web.

• Energy is conserved and transferred from one organism to another.

• Energy is only present in the producers.

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NGSS.MS-LS2-3

Which is an example of an energy transformation from chemical to electrical to light energy?

• A. A bolt of lightning causing thunder

• B. A candle lighting up a room

• C. A campfire warming up and illuminating an area

• D. A battery causing a flashlight to shine

As the ball is dropped, the potential energy decreases while the kinetic energy increases however the amount of energy stays the same.

• True

• False

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NGSS.MS-PS3-5

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Which statement about energy is NOT true?

• Energy cannot be created or destroyed.

• Energy is used up when an object moves.

• Energy can be converted from one form to another.

• There are manyforms of energy including: thermal, nuclear, mechanical, chemical, electrical, and electromagnetic.

Tags

NGSS.MS-PS3-5

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

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NGSS.HS-PS1-7

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