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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea investigates the difference in reaction times between boys and girls.

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.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this experiment we will be determining whether birds prefer certain colors of seed.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This project determines what category of person is most likely to be ticklish.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.