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Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

In this activity, your child will be challenged to make a tower using paper cups.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Think about the adaptive utility of an important aspect of our physiology.

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

This science fair project idea examines the reason boats are shaped and engineered.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.