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.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!