Law of Conservation of Energy and Transformations

Which statement is true about energy?

• It can be created

• It can be destroyed

• It can be transformed

• It is infinite.

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NGSS.MS-PS3-5

NGSS.MS-PS3-4

Fill in the blank: The transformation of energy from one form to another is governed by the law of _______.

• Energy

• Conservation

• Motion

• Gravity

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NGSS.MS-PS3-5

NGSS.MS-PS3-4

Fill in the blank: Energy conservation is important because energy cannot be _______.

• Transformed

• Destroyed

• Used

• Changed

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NGSS.HS-PS3-3

NGSS.HS-PS3-4

Fill in the blank: According to the Law of Conservation of Energy, the amount of energy before and after a bumper car _______ must be the same.

• collision

• race

• stop

• start

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS2-1

What is the ultimate ORIGINAL source of energy in a food web?

• Producers

• Primary consumers

• The Sun

• Secondary consumers

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

In the electric circuit shown, what type of energy transformation occurs when the light bulb is turned on?

• A. Electrical energy to chemical energy

• B. Chemical energy to light and heat energy

• C. Light energy to electrical energy

• D. Heat energy to chemical energy

Fill in the blank: Photosynthesis in plants is an example of _______ energy transformation.

• A) Light to chemical

• B) Chemical to mechanical

• C) Electrical to thermal

• D) Chemical to light

Tags

NGSS.MS-LS1-6

What energy transformation occurs in a flashlight?

• A) Electrical to thermal

• B) Chemical to light

• C) Light to chemical

• D) Chemical to mechanical

What happens to the temperature of the car's engine as the fuel burns?

• It decreases

• It remains the same

• It rises

• It fluctuates.

Tags

NGSS.MS-PS1-4

Which energy transformation is responsible for the noise produced by the engine?

• A) Chemical to Sound

• B) Mechanical to Thermal

• C) Thermal to Kinetic

• D) Kinetic to Sound