This experiment investigates if stress alters body temperature.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

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 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.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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 determines how your body responds to allergies.

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

Explore the neural and mental mechanisms at play in mental imagery.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Think about the adaptive utility of an important aspect of our physiology.

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.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

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.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea raises awareness of a real ecological issue.

This project examines which type of dance burns the most calories.

This science fair project idea explores edible things you didn't know you could eat.