This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

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

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!

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

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.

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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