This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

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.

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

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

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.

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!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

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

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

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

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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

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.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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!