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 science fair project tests test whether the presence of spell check has changed standards for spelling.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea investigates how images are influenced by changes in light.

This science fair project idea discovers the average number on the Scoville scale that humans can endure in hot peppers before physical signs kick in.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project idea compares biodiversity between drops of water.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea discovers the effect of (high) heat on animal cells.

Science fair project that determines whether brain size is correlated with intelligence.

In this project, students will learn what and how foods are grown in rain forests and if there are sustainable methods that can be used.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science project idea determines how people recognize words while reading.

This science fair project idea determines what household items are good conductors of electricity.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.