How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

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