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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

In this science fair project, students make their own rain gauge to measure rainfall.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.