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What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea discovers the principle of conservation of mass.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Host a royal party full of "please and thank you" - even the queen would approve. Have a ball while your kids practice etiquette!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

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

Explore what freedom and liberty mean to you this Fourth of July with a beautiful portrait collage!

This science fair project idea measures physical dexterity as a function of temperature.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

This activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

Want to build your child's literary repertoire with tools like foreshadowing and description? Try a spooky Halloween story!

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

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