This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea explores how length affects the weight a bridge can hold.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Is it a square or a circle? See if you can trick your friends with this zany science project!