We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.