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Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

What happens when colored beams of light mix? You might be surprised.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.