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Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

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.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Word color association is just a fancy way to talk about the way we connect colors with words.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

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.

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.