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

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

This science fair project idea investigates the hardness property of minerals.

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!

This science fair project idea produces sounds by creating vibrations using different objects.

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!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.