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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea determines effective strategies to help students stay awake and attentive.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.