Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This science fair project investigates how temperature of a room affects the burn rate of a candle.

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 science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This experiment examines if space objects become round after reaching a certain mass.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

In this fun science fair project, draw a 3D picture and compare the holographic effects of red and blue 3D glasses and HD glasses!

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

This science fair project idea investigates the difference in reaction times between boys and girls.