Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.