Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This project will explore whether music influences physical endurance.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

Compare different remedies for cooling the mouth after eating spicy food.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Explore the effect of wind speed on the burning rate of a candle.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.