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Physics 9-1 GCSE AQA, > Conservation + Dissapation > Flashcards

Conservation + Dissapation Flashcards

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1
Q

What’s the energy store for a moving object?

A

Kinetic

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2
Q

The hotter the object is the more energy it has in this store

A

Thermal

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3
Q

Anything that can release energy by a chemical reaction has energy in this store

A

Chemical

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4
Q

Anything in a gravitational field (anything that can fall)

A

Gravitational potential

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5
Q

Anything stretched

A

Elastic potential

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6
Q

Two charges that attract or repel each other

A

Electrostatic

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7
Q

Two MAGNETS that attract or repel each other

A

Magnetic

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8
Q

Atomic nuclei release energy from this store in nuclear reactions

A

Neuclear

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9
Q

Name all the energy stores.

A

-Kinetic
-thermal
-Chemical
-GPE
-elastic potential
-Electrostatic
-magnetic
-Neuclear

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10
Q

Energy transfers:

An object moving because of a force acting on it (eg. Pulling/pushing)

A

Mechanically

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11
Q

Energy transfers:
A charge moving through a potential difference (eg: charges moving round a circuit)

A

Electrically

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12
Q

Energy transfers:
From a hotter object to a colder one (eg. heating a pan of water on a hob)

A

By heating

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13
Q

Energy transfers:
Energy transferred by light/ sound waves (eg.energy from the sun reaching earth as light )

A

By radiation

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14
Q

Name the four main ways energy is transferred

A

-Mechanically
-Electrically
-By heating
-By radiation

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15
Q

What’s dissapated?

A

The energy was spread out and lost

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16
Q

What’s the principle of conservation of energy?

A

Energy cannot be created or destroyed but it can be stored and transferred.

17
Q

What’s a closed system?

A

A collection of objects that can be treasured completely differently on its own, without any matter (energy) being exchanged with the surroundings.

18
Q

How do you calculate total energy input?

A

Total energy input = Useful energy + Wasted energy

19
Q

More efficient = ?

A

Less energy wasted

Physics 9-1 GCSE AQA, (3 decks)

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