This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Construct batteries that make electricity from fruits with this fun science fair project.

The objective of this science project is to determine the length of time for different seeds to germinate.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.