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

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

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

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

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

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

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

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.