Why do papers turn yellow? plus 9 more videos.. #aumsum #kids #science #education #children

Oxidation - Why do papers turn yellow? Oxidation - Why do copper vessels turn green? Cleansing ability of Soap - Why is soap ineffective in hard water? Archimedes Principle - Why do we weigh less in water? Newton s Third Law of Motion - Why does a swimmer push the water backward? Convex mirror - Why is a convex mirror used as a rear-view mirror? Heat - Why do woolen clothes keep us warm? Atmospheric Refraction - Why do stars seem higher than they actually are? Gravitational Force - Why do you weigh less on the moon? Pressure - Why is it difficult to cut with a blunt knife?