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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

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

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.