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

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

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.

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.

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

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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.

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!

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

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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!