Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Make a backbone model to explore human anatomy and life science.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

This science fair project idea explores how far the average human can see.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

This science project has students study the idea of human beauty.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

This science fair project idea explores whether the color of surroundings affects human mood.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

This science fair project idea explores the fastest average speed a human can talk.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.