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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

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

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