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

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

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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.

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

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

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.