Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Teach your child how butter is created by shaking up cream the old-fashioned way.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

I scream, you scream, we all scream for homemade spearmint ice cream!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

How powerful is the reaction between baking soda and vinegar? Find out here!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.