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8 Cards in this Set
- Front
- Back
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Global warming |
Climate change: Crops may fail in some areas Extreme weather: Hurricanes Rising sea level: Melting ice caps and higher temperatures may cause sea levels to rise |
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Radio waves |
Used for transmitting radio signals because they aren't absorbed by the atmosphere |
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Micro waves |
Not absorbed by water so are used to heat objects with water in Not absorbed by the atmosphere so are used to carry TV signals |
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Visible & infrared light |
They travel down optic fibres without becoming weaker so are used to carry information |
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Xrays |
They are absorbed by dense materials so are used to produce shadow pictures if bones and see inside luggage at security checks |
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The effect of ionising radiation on cells |
Suffer no damage Mutate and cause cancer Die leading to burns, sickness and even death |
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The electromagnetic spectrum |
Radio Micro Infrared Visible Ultraviolet X-Ray Gamma |
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Carbon cycle |
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