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

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Is your child a young ornithologist in the making?

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Make a spring collage with your child to get them outside and those creative juices flowing!

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

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