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Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

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

This project examines what types of objects burn and which burn faster and cleaner.

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

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This science fair project idea identifies and understands adaptations in birds.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.