Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.

Dive into a world of fun crafts and incredible experiments that will leave you speechless! Watch as DIY creativity combines with science to create jaw-dropping reactions and beautiful projects. From ...

analysis and evaluation of these experiments. There are three core practical activities in the Chemical changes section: investigate the change in pH when adding powdered calcium hydroxide or ...