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

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

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

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!

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

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