Electromagnetic spectrum

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What order does the electromagnetic spectrum go in?
Gamma Rays, X-Ray's, Ultraviolet, Visible Light, Infrared, Microwaves then Radiowaves.
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What is one use of Gamma Rays?
Killing Cancer Cells.
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What is one use of UV rays?
They are used in tanning.
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What is a use of microwaves?
To heat things.
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What is a use of Radiowaves?
To communicate with people round the world.
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Why do some lightbulb show all the colours whereas some only show a few?
The type of bulb is essential for the different colours so an energy saving bulb has less colours than a normal one.
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Other cards in this set

Card 2

Front

What is one use of Gamma Rays?

Back

Killing Cancer Cells.

Card 3

Front

What is one use of UV rays?

Back

Preview of the front of card 3

Card 4

Front

What is a use of microwaves?

Back

Preview of the front of card 4

Card 5

Front

What is a use of Radiowaves?

Back

Preview of the front of card 5
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