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What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project will help students learn about non-vascular plants, such as mosses.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Do you think heat can affect a plant's growth rate?

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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?

This science fair project teaches students about wilting and browning of salad greens.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this project children practice the scientific method while playing with puffy paint.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.