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

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.

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.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

Introduce your child to science with something they see everyday--their shadow!

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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