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

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.