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.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science research project challenges students to think of more effective lobster farming methods.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Construct batteries that make electricity from fruits with this fun science fair project.

This project explores ways to prevent static electrical shocks.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea determines the most effective method of preserving food.

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 if heat from direct sunlight is hotter than heat from reflected sunlight.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.