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Required
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* You and your friend can do it
* Beach
* Backyard of your house
* Sunny day
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Method
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- Let any one of you try to get a tan by sunbathing in the backyard and the other spend time at the beach for the same purpose.
- Observe what you see in both of you skin and compare who got more sun tan.
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What is Learnt
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The person in the beach had more sun tan because the ultraviolet rays reflect more on the sand than ordinary mud leading to increased exposure and tan at the beach.
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Conclusion
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The person in the beach had more sun tan than the person in the backyard of the house.
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Flash Cards
