How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.