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This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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 free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Will male or female hair grow faster? Find out in this science fair project idea!

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science experiment tests if dog saliva can really help heal wounds.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.