Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

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.