This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

Science fair project that creates fog using bottles of hot and cold water.

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

This science fair project idea produces varying pitches of sound.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

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.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

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

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This project explores ways to prevent static electrical shocks.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

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

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

Explore the negative and positive consequences of stereotypes.

Determine which metal has the highest rate of conductivity.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

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