What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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!

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.

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.

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?

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.

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

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.

Construct batteries that make electricity from fruits with this fun science fair project.

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.

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