Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Learn whether writing things down really makes things easier to remember.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

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

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This science fair project determines which type of physical activity most improves memory.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.