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

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.