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Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This project investigates the affect of storage temperature on microwave popcorn.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

How powerful is the reaction between baking soda and vinegar? Find out here!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Word color association is just a fancy way to talk about the way we connect colors with words.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Demonstrate how to tell the age of an egg without having to crack it open.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Find out whether putting something on top of a plant will inhibit its growth.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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