Test Prep for Energy Transformations

During energy conversions, some energy is ALWAYS converted into

• sound energy

• thermal energy

• light energy

• chemical energy

Tags

NGSS.MS-PS3-5

A toy car will race down the hallway when the battery is connected to its circuit. Which describes the energy conversions taking place?

• electrical to chemical to potential

• chemical to electrical to kinetic

• thermal to sound to electrical

• chemical to potential

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Perpetual motion means an object will keep moving forever. Can this happen?

• Yes, a ball could bounce forever since gravity pulls in down.

• Yes, a ball could roll until it finally hits something that stops it.

• No, friction would eventually make the object slow down.

• No, gravity would make it stop.

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NGSS.MS-PS2-2

Why will a basketball eventually stop bouncing if no person is touching it?

• Energy will convert to sound and thermal energy and it will stop.

• Energy will convert to chemical and it will stop.

• There will be no energy conversion.

Tags

NGSS.MS-PS3-5

The Law of Conservation of Energy states

• Mr. Graham is the best soccer coach because he's full of energy.

• Energy can be created and it can be destroyed.

• Energy can be changed.

• Energy cannot be created nor destroyed.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

A car using gasoline is an example of which energy transfer?

• chemical to potential

• thermal to chemical

• chemical to mechanical

• kinetic to potential

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NGSS.HS-PS3-3

Photosynthesis consists of which energy conversion?

• thermal to light

• light to chemical

• chemical to thermal

Tags

NGSS.MS-LS1-6

A windmill produces what type of energy?

• electrical

• light

• sound

What is the missing potential energy?

• 0

• 40,000

• 20,000

• I can't add in my head.

Tags

NGSS.MS-PS3-2

What is the total energy in Joules?

• 0

• 20,000

• 40,000

• 100,000

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NGSS.MS-PS3-1

NGSS.MS-PS3-5