Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.