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

This science fair project idea examines the reason boats are shaped and engineered.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea explores which fruit molds the fastest.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

In this project, a mnemonic is used to test how it increases memory.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

This science fair project teaches students the differences between fruits and vegetables.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea explores whether talking to a plant will help it grow.

This science project teaches students to classify different shapes of leaves.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea experiments with spinning color wheels and optical illusions.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.