The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This science project researches the correlation between barometric pressure and wind velocity.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Learn whether writing things down really makes things easier to remember.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Determine which metal has the highest rate of conductivity.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

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

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.