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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?

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

This science fair project demonstrates the "power of conformity".

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Determine whether the application of Febreeze will lower the bacterial count.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Explore the belief in astrology as a predictive system.

Will the shape of an ice cube impact how fast the ice melts?

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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

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.

This science fair project idea tests the efficiency of short term memory.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Test the idea that people who wear glasses tend to be more educated. True or false?

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Determine how good we are at direct and indirect observation.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.