Physics key terms A-E

Acceleration
Change of velocity per second
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Alternating Current (AC)
Electric current in a circuit that repeatedly changes direction
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Amplitude
The height of a wave crest from trough to its rest position
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Braking Distance
The distance travelled by a vechile during the time that the brakes act
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Conductor
Material or object that conducts
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Convection
Transfer of energy by the bulk movement in a heated fluid
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Convection Current
The circular motion of matter caused by the heating in fluids
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Deceleration
Change of velocity per second when an object slows down
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Diffraction
The spreading of waves when they pass through a gap or around the edges of an obstacle that has a similar size as the wavelength of the waves
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Diode
Electrical device that allows current flow in one direction
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Direct Current (DC)
Electric current in a circuit that is in one direction only
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Elastic Potential Energy
Energy stored in an elastic object when work is done to change its shape
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Electrical Energy
Energy transferred by the movement of electrical charge
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Electron
A tiny particle with a negative charge, electrons orbit the nucleus in atoms or ions
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Emit
Give out radiatiom
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Equilibrium
The state of an object when it is at rest
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Evaporation
Turning from a liquid to a vapour
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Other cards in this set

Card 2

Front

Electric current in a circuit that repeatedly changes direction

Back

Alternating Current (AC)

Card 3

Front

The height of a wave crest from trough to its rest position

Back

Preview of the back of card 3

Card 4

Front

The distance travelled by a vechile during the time that the brakes act

Back

Preview of the back of card 4

Card 5

Front

Material or object that conducts

Back

Preview of the back of card 5
View more cards

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