This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This project examines whether sugar substitutes are as sweet as real sugar.

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

This biodiversity project examines the biodiversity in your own backyard.

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.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

This science fair project idea investigates the relationship between memory and age.

This experiment will explore whether fractals really repeat themselves infinitely.

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

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

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

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.