In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

What happens when colored beams of light mix? You might be surprised.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project idea explores whether talking to a plant will help it grow.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.