Physics P1 the sun GCSE

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Main facts about UV radiation and the sun
Kate83
Note by Kate83, updated more than 1 year ago
Kate83
Created by Kate83 about 9 years ago
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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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