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.

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.

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.

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.

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

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.

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Test the combustion of different types of woods.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

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 scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.