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Watch what happens when you place a penny in lemon juice overnight: the copper surface turns bright and shiny. Add baking soda to vinegar in a balloon, stretch it over a bottle, and the balloon inflates itself. These simple reactions demonstrate basic chemistry principles.

When you place a paper clip on water's surface it floats due to surface tension but add a drop of soap and it sinks instantly if you put dry ice in soapy water it creates mysterious fog bubbles that bounce and dance when touched these are simple scientific principles at work.

When you place a paper clip on water's surface, it floats due to surface tension, but add a drop of soap and it sinks instantly. If you put a metal spoon in hot water and touch it to a soap bubble, the bubble freezes in place like magic.

When you place a paper clip on water's surface, it floats due to surface tension, but add a drop of soap and it sinks instantly. If you wrap a dry paper towel in aluminum foil and put it in water, the towel stays completely dry.