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

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.