The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?