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This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Determine how good we are at direct and indirect observation.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Cleaning can be a chore, but not with this sudsy experiment!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

The objective of this science project is to investigate patterns in fingerprints among family members.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?