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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 />
by number of astronomical processesUsed to kill cancer cells<br />
Gamma rays<br />
X-rays<br />
Ultra-violet<br />
Visible light<br />
Infra-red<br />
microwaves<br />
Radio waves<br />
very high-energy electrons are made<br />
When electrons strike a metal target<br />
electrons are liberated from heated<br />
filament and accelerated by high<br />
voltage towards trget.<br />
Given off by the sun in large<br />
quantities<br />
special lamps such as sun beds<br />
white ligth is actually made up of a<br />
whole range of colours, mixed together.<br />
Radiotherapy<br />
Kill microbes and used to sterilise food<br />
To see inside people<br />
airport security<br />
atronomers<br />
Sun tan and detecting forged bank<br />
notes<br />
kill microbes<br />
produces vitamin D<br />
food drug companies sterilise their products<br />
to see things<br />
CD and DVD players<br />
remote controls, video recorders<br />
below the visible red light<br />
heal sprot injuries<br />
anthing else that is given off by hot objects<br />
night sights<br />
extremely high frequency radio waves,<br />
made by various amount of transmitters<br />
Made by various types of transmitters,<br />
depending on the wavelength<br />
mobile phones<br />
wifi<br />
speed cameras<br />
radar<br />
mainly used for communication<br />
Can cause cell damage<br />
cancer<br />
mutations<br />
can cause cell damage<br />
cancer<br />
Large doses can damage<br />
retin in the eyes<br />
can cause sunburn and<br />
skin cancer<br />
can damage the retina<br />
of the eyes<br />
looking at the sun<br />
too much and you can<br />
overheat<br />
ovrexposure can cause<br />
cateracts<br />
large doses can cause<br />
cancer and disorders<br />
_____ Frequency _____ frequency,<br />
Short wavelength ______ Wavelength<br />
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