In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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

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

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

In this project, a basketball containing different psi is dropped to see how well it bounces.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

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

This science fair project idea researches the effects of acid rain on plant growth.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Test whether spot magnets can help improve the symptoms of an injury.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

The project determines which type of birds prefer which type of birdseed.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.