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!

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

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

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

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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.

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.

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

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.

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

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

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.

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.

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.

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.

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.

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.

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

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

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!

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

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

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

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

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