What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

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

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

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea explores the egg's thin membrane.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this fun experiment, we'll find out how color affects heat absorption!