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Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Teach your child how butter is created by shaking up cream the old-fashioned way.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this fun activity, your child will create their very own solar oven to bake s'mores!