This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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

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

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This fun art project is a great way to introduce your child to some basic geometry.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.