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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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