Energy Adds Up Flashcards

1
Q

Ehat can energy not do?

A

Be created or disappear

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2
Q

What can energy only do?

A

Be transferred

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3
Q

What is the law called when energy cannot be created or destroyed only transferred called?

A

Law of conservation of energy

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4
Q

What can you think of energy as?

A

Chemical store?

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5
Q

How can energy be transferred form a store?

A

When you burn a fuel or respire

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6
Q

Ehats the chemical store?

A

Food, fuels, batteries

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7
Q

Ehat is the thermal store

A

Hot objects

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8
Q

What is kinetic store

A

Moving objects

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9
Q

Ehat is gravitational potential store?

A

Position in a gravitational field

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10
Q

What is elastic store?

A

Changing shape, stretching or squashing

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11
Q

During burning-

Ehat happens after when theres more energy in thr chemical store and less in the thermal

A

When its burnt there will be more energy in thr thermal store and less in the chemical store

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12
Q

What would you see if you measured energy in chemical and thermal store?

A

Total energy before=total energy after

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13
Q

What are some ways of transferring energy around stores?

A

Electric current
Light
Sound

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14
Q

Where do you want the burning fuel in the car to be transferred to?

A

Kinteic store of the car

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15
Q

Where is energy transferred in many situations

A

The thermal stire of the surroundings.

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16
Q

Scientists say the energy is….

A

Dissipated

17
Q

What does it really mean ‘saving energy’

A

Saving fuels

18
Q

Energy tells you what canges are possible but ehat does it not tell you?

A

Why things happen

19
Q

What tell you why things move?

A

Forces