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

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

Enjoy the beautiful outdoors and indulge in a colorful game of I Spy while you're at it! It's just as fun as classic I Spy but twice as educational.

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