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10. Name ________________________________<br />
Go to the web site www.darvill.clara.net/emag<br />
Name How they’re made Uses Dangers<br />
They are made by stars They are used to kill living They are<br />
and radioactive<br />
cancer cells.<br />
dangerous cause<br />
substances.<br />
they damage cells .<br />
Gamma rays<br />
X-Rays<br />
Ultra-Violent<br />
Visible Light<br />
Infra-Red<br />
Micro waves<br />
Radio waves<br />
They are made by stars and They are used to see inside<br />
some types of nebula. people.<br />
They are made by special<br />
lamps.<br />
They are made by things<br />
hot enough to glow.<br />
Infra Red waves are made<br />
by stars, lamps, flames,<br />
yourself, and more<br />
Microwaves are made by<br />
frequency radio waves, and<br />
other types of transmitter.<br />
Radio waves are made by<br />
various types of transmitter<br />
UV light are used for<br />
getting a sun tan, detecting<br />
forged bank notes in shops.<br />
We use light to see things.<br />
They are used foe remote<br />
controls for TVs and video<br />
recorders, and more.<br />
We use microwaves to<br />
cook many types of food.<br />
They are used mainly for<br />
communications.<br />
They can cause<br />
cell damage<br />
and cancer.<br />
UV light can damage<br />
the retina in your<br />
eyes<br />
Too much light can<br />
damage the retina<br />
in your eyes.<br />
The danger is<br />
overheating.<br />
Microwaves is known<br />
to cause cataracts in<br />
your eyes<br />
Radio waves are known<br />
to cause cancer, and<br />
other disorders.<br />
_____ High Frequency _____ Low frequency,<br />
Short wavelength ______ High Wavelength<br />
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