This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea provides evidence that air is everywhere and takes up space.

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

This science project allows students to study the psychology of happiness.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This project explores ways to prevent static electrical shocks.

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This experiment tests which gender is better at catching how a magician performs his tricks.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.