What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.