What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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?

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.