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

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Learn with makes water molecules work with this fun and easy science activity!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

An home science experiment for older students that teaches about the science behind heat.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.