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!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.