Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

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.

This science fair project idea discovers the effect of (high) heat on animal cells.

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?

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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?

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science fair project determines the quality of a given product.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

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.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.