How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.