This science fair project idea explores whether color affects a person's emotional state.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

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

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

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

This science fair project idea sheds some "light" on which color of candles burn the longest.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.

Science fair project that cultivates slime mold and monitors the stages of its development.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines whether people can decode scrambled messages.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea raises awareness of a real ecological issue.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

This science fair project investigates what type of cookie sheet bakes the best cookies.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea investigates how different disinfectants work in killing germs.

Science fair project that examines the biodiversity of ant populations in various locations.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

In this science fair project, students create their own miniature salt flats at home.