This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

This science fair project idea identifies and understands adaptations in birds.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science experiment tests if dog saliva can really help heal wounds.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Explore the neural and mental mechanisms at play in mental imagery.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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