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.

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

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.

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

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This science fair project will investigate a type of sustainable development project.

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

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

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.