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Physics (Changes in Energy Stores) > (Conservation and dissipation of energy) Exam Practice > Flashcards

(Conservation and dissipation of energy) Exam Practice Flashcards

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1
Q

How can energy be transferred?

A

Energy can be stored in many different ways and transferred by heat, waves ,an electrical current or when a force moves an object.

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2
Q

What is a chemical energy store?

A

Energy stored in chemical bonds and transffered during chemical reactions.

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3
Q

Give examples of chemical energy stores

A

Food
Fuels
chemicals found in batteries

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4
Q

What is a Kinetic energy store?

A

Kinetic Energy Store: The energy of a moving object.

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5
Q

Examples of Kinetic Energy Stores

A

Runners

Buses

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6
Q

What is Gravitational Potential Energy?

A

The energy stored in a object at height.

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7
Q

Examples of Gravitational Potential Energy

A

Aeroplanes
Mugs on tables
Kites

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8
Q

What is Elastic Potential Energy?

A

The energy stored in a object when it is squashed or streched.

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9
Q

Examples of Elastic Potential Energy

A

Springs
Catapults
Inflated balloons

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10
Q

What is Thermal Energy Store?

A

The energy a substance has because of it’s temperature.

Hotter objects have more internal energy and they vibrate faster.

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11
Q

Example of Thermal Energy Store

A

Coffees

Human Bodies

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12
Q

What is a Nuclear Energy Store?

A

The energy stored in the nuclease of an atom.

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13
Q

Example of Nuclear Energy Store

A

Uranium Nuclear Power

Nuclear Reactors

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14
Q

What is electrostatic energy?

A

Electrostatic Energy:The energy stored when repelling charges have been moved closer or attracting charges have been moved further apart.

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15
Q

Examples of Electrostatic Energy

A

Thunder Clouds

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16
Q

What is Magnetic Energy store?

A

Magnetic Energy Store:The energy stored when repelling poles have been pushed further apart and repelling poles have been pushed closer together.

17
Q

Examples Of Magnetic Energy Store

A

Fridge Magnets

Compass

18
Q

Where does energy move to?

A

Energy can move from one store to another.

19
Q

What happens when a system changes?

A

Whenever a system changes there is a change in which some or all energy is stored.

20
Q

Torch Example

A

The torch’s battery pushes a current through the bulb this makes the torch light up it make it hot.

21
Q

Kettle Example

A

When a electrical current is used to boil water. The current of the kettle’s heating element is transferred to TES of the water and kettle.

Physics (Changes in Energy Stores) (1 decks)

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