Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Engineers in training can get started with this simple wheel-and-axle construction activity.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

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