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Physics GCSE > Energy > Flashcards

Energy Flashcards

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1
Q

Boiling

A

transfer from liquids to gasses

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2
Q

Closed System

A

an isolated energy system in which no energy transfers take place outside of or into the energy system

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3
Q

Condensing

A

transfer from gasses to liquid

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4
Q

Conduction

A

transfer between particles in a solid

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5
Q

Conductivity

A

the power of heat conduction

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6
Q

Conductor

A

a substance that conducts heat, such as lightning rod on the side of a building

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7
Q

Density

A

mass per unit volume

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8
Q

Efficiency

A

a measure of how good a device is at changing energy from one store to another

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9
Q

Electrical Transfer

A

energy transfer through electricity, eg static electricity

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10
Q

Energy

A

something that cannot be created or destroyed, only moved from one system to another

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11
Q

Nuclear Energy

A

the energy inside the nucleus of an atom

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12
Q

Elastic Potential Energy

A

energy inside things that can stretched

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13
Q

Gravitational Potential Energy

A

energy in gravity

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14
Q

Magnetic Energy

A

energy in magnets

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15
Q

Thermal Energy

A

energy of heat

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16
Q

Kinetic Energy

A

energy in things that move, such as people’s bodies and sound waves

17
Q

Chemical Energy

A

energy in chemical reactions

18
Q

Freezing

A

transfers from liquids to solids

19
Q

Insulator

A

a bad conductor whose particles are too far apart to allow energy to flow between them, such as liquids, gasses and vacuums

20
Q

Internal Energy

A

the sum of all the kinetic energy the individual particles have from moving relative to each other and the potential energy that individual particles have because of their positions relative to each other in a substance

21
Q

Mechanical Transfer

A

how energy is transferred by movement

22
Q

Melting

A

transfer from solids to liquids

23
Q

Open System

A

systems which interact with their environment, so that energy or mass can be added or removed from them

24
Q

Power

A

energy transferred in a given time

25
Q

Temperature

A

a mass of average kinetic energy of particles in an object

26
Q

Transfer Through Heating

A

happens in things like boiling eggs

27
Q

Transfer Through Radiation

A

happens in things like sound waves

28
Q

Work Done

A

energy transferred

Physics GCSE (13 decks)

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