This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project examines whether people's taste perception is influenced by what they see.

In this experiment we use Scotch Guard to make sand that resists water.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.

In this project, students will learn what and how foods are grown in rain forests and if there are sustainable methods that can be used.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This science fair project idea examines readersâ expectations in regard to literature.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Test whether cutting up meats will make it cook faster than just cooking it whole.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This experiment investigates whether paper color influences people's ability to remember the information that they read.