This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This biodiversity project examines the biodiversity in your own backyard.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

The goal of this project is to create an exciting topographical map out of dough.