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Science > Science - Energy > Flashcards

Science - Energy Flashcards

To learn all words.

1
Q

Kinetic energy

A

The energy in moving objects

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2
Q

Chemical energy

A

When a substance undergoes a chemical reaction

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3
Q

Magnetic energy

A

When 2 objects attract and repel

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4
Q

Elastic energy

A

When an object is stretched or squashed.

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5
Q

Light

A

from a bright object

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6
Q

Thermal energy

A

The heat stored in an object

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7
Q

Gravitational energy

A

The energy is an object is raised to a height

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8
Q

Electrical energy

A

Allows an electric current to flow

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9
Q

Nuclear energy

A

energy stored in an atom

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10
Q

sound

A

from a vibrating object

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11
Q

Conservation of energy

A

Energy that cannot be created or destroyed. Can only be stored.

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12
Q

Ammeter

A

device to measure electric charge

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13
Q

ampere

A

unit of current

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14
Q

current

A

Flow of electrical charge carriers

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15
Q

conductor

A

the materials or substances which allow electricity to flow through them

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16
Q

joules

A

the energy in food

17
Q

circut

A

An electrical circuit is a loop through which an
electric current
can flow.

18
Q

circuit diagrams

A
19
Q

Cell

A

a store of infernal energy that can be transferred as an electric current in a circuit

20
Q

Electron

A

Sub atomic particle which flows in a circuit carrying a negative charge.

21
Q

Series circuit

A

A circuit that is connected in a way that the same current flows through each component in turn

22
Q

Parallel Circuit

A

In a parallel circuit, the current divides into two or more paths before recombining to complete the circuit

23
Q

Insulator

A

A material that does not allow charge or heat to pass through it easily

24
Q

Ohms

A

the unit of electrical resistance - Ω

25
Q

Resistance

A

The opposition in an electrical component to the movement of electrical charge through it. Resistance is measured in Ohms

26
Q

Potential difference

A

The potential difference, or voltage, of a supply is a measure of the energy given to the charge carries in a circuit

27
Q

Volt

A

Unit of voltage

28
Q

Voltmeter

A

Used to measure potential difference/ voltage

29
Q

Energy transfer

A

Changes from one form of energy into another

30
Q

Work done

A

Work is done when a force makes a object move a distance, and energy is transferred

31
Q

Power

A

The rate of work done. Or the energy transferred per second

32
Q

Fossil fuels

A

Natural, finite fuel formed from the remains of living organisms. e.g. oil, coal and natural gas

33
Q

Non-renewable

A

A resource that cannot be replaced once it is used up, such as natural gas or coal

34
Q

Renewable

A

An energy resource that will not run out, e.g. solar energy and wind energy

Science (2 decks)

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