Explore scientific concepts with this experiment that introduces kids to the scientific method!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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!

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

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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.

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

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.