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

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.

This science fair project idea explores whether certain physical and mental traits run in the family.

This science fair project idea demonstrates that plants give off water.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Evaluate the efficacy of different pain management techniques.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This project examines whether sugar substitutes are as sweet as real sugar.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Explore convex and concave objects and how they reflect light.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

This project examines how temperature affects the volume of gas in balloons.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.