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

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 kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

I scream, you scream, we all scream for homemade spearmint ice cream!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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 experiments with spinning color wheels and optical illusions.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Making your own glass cleaner is easy, effective and inexpensive!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.