Investigate which substances are most effective at removing salt from water.

Examine how a battery can be made from everyday materials.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This experiment explores how listening in to a one-sided conversation affects concentration.

Test out various brands of permanent markers to see which one is least water soluble.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Construct batteries that make electricity from fruits with this fun science fair project.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This project compares the strength of one, two, and three-ply toilet paper.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

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

Science fair project that determines whether moths are attracted to one color of light more than others.

This science fair project idea produces consumable fresh water from salt water through desalination.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.