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!

In this arts and crafts activity, let your kindergartener create life-sized body stamps using some paint and his own hands and feet.

This experiment investigates if stress alters body temperature.

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

The human knot game is a perfect team-building exercise and a fun activity that's sure to bring lots of laughs along the way.

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.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This experiment investigates if small changes in your diet can alter your basal body temperature.

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

Is your precocious third grader a Shakespeare in the making? Challenge her growing vocabulary with a group game that rewards her wordy ways

This easy-to-make perfume powder will keep your kid smelling fresh and clean. Got a birthday or special occasion coming up? It also makes a great gift!

Teens can enjoy a day at the spa without the expense with this quick and sweet exfoliating scrub recipe.

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.

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

Is your child learning to write the alphabet correctly? In this "kinesthetic" activity, use movement and art to help your child with letter-writing.

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

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

This science fair project idea determines how your body responds to allergies.

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 project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

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

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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