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.

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.

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

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

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

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.