Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.