The objective of this science project is to determine the length of time for different seeds to germinate.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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.

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Check out this cool science fair project on identifying rocks and minerals for kids.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The project determines which type of birds prefer which type of birdseed.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea explores the different properties & interactions of sugar molecules.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

In this project, different childproof containers are tested to see how childproof they really are.

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

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

In this project, the affects of vitamin E are observed on a rose petal.

This science fair project idea examines which type of insulation holds in the most heat.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea deals with the qualities of shade on a sunny day.