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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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 the hardness property of minerals.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project teaches students about wilting and browning of salad greens.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

In this project, the affect of acid rain is simulated by the acid, vinegar.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project tests the hypothesis that dark colors absorb more heat than light colors.

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