This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

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?

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.