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

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

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.