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Physics P1 the sun GCSE
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Physics P1 GCSE
The Sun and Ozone
The sun produces ultraviolet radiation. UV radiation can cause:
premature skin ageing
skin cancer
cataracts in older people
sunburn
Sunscreen is a way of protecting yourself from harmful UV. The higher the factor the longer amount of time you can safely stay out in the sun.
Safe time =Recommended Exposure time x Sunblock factor
People with darker skin can stay out longer in the sun since their skin absorbs more UV radiation so less reaches body tissue underneath
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- Main facts about UV radiation and the sun
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- Kate83 · Jan 2015
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- Feb 19, 2016
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