In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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.

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?

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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.

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.