P2 - Keywords

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Emits
To give, to send out
1 of 9
Reflects
Bounce back e.g. light is reflected from a mirror
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Transmits
Permit, goes through e.g. light passing through some glass
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Absorbs
Take in e.g. a person absorbs UV ray from Sun
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Photons
Packets of energy
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Greenhouse effect
Traps electromagnetic radiation trying to leave the earth makes the earth warmer than it should be
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Ozone
Thin layer of gas in the earth's atmosphere it absorbs UV rays. Protects the earth from UV rays
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Ionising radiation
Harmful radiation, contains high photon energy, able to break the molecules into bits called ions.
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Source of radiation-
An object which gives out electromagnetic radiation
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Other cards in this set

Card 2

Front

Bounce back e.g. light is reflected from a mirror

Back

Reflects

Card 3

Front

Permit, goes through e.g. light passing through some glass

Back

Preview of the back of card 3

Card 4

Front

Take in e.g. a person absorbs UV ray from Sun

Back

Preview of the back of card 4

Card 5

Front

Packets of energy

Back

Preview of the back of card 5
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