In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

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

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

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

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

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

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.

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.

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

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

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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

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.

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

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.

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

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

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

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

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.

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.

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.