Explore concepts in current and coltage with these Van de Graaff generator experiments.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This project explores ways to prevent static electrical shocks.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.