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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

The purpose of this science fair project is to build a basic radio.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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.

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

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.

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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.

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!

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