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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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.

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.

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

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.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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.

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

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.

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

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

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

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

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

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

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

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!

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

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

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.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

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