This science fair project examines how seeds hitchhike on animals and clothing.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

In this fun science fair project, draw a 3D picture and compare the holographic effects of red and blue 3D glasses and HD glasses!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea explores edible things you didn't know you could eat.

This science fair project will go beyond the simple definition of conservation to explore the different facets of what conservation means.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This science fair project idea determines the properties of rainwater and examines the techniques for harvesting rainwater.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea explores the fastest average speed a human can talk.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science fair project idea determines the probability of a coin landing heads or tails.

This science fair project will investigate a type of sustainable development project.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.