How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Do you think heat can affect a plant's growth rate?

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores how length affects the weight a bridge can hold.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Learn all about balance and motion as your child designs a corn maze!

In this science project, the center of gravity is explored.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

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

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

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