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

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

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

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

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science project is to determine the length of time for different seeds to germinate.

Will male or female hair grow faster? Find out in this science fair project idea!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

In this science fair project, students investigate how different colors influence appetite.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science project challenges high school students to study the linguistic evolution of text messaging.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates how images are influenced by changes in light.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

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

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This science fair project idea explores which kinds of earplugs are the most effective.

This science fair project idea investigates whether plants can survive being frozen.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea uses the process of chemical weathering to change a mineral.

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.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.