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

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.