This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

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

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

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This project explores differences in people's reactions to images in color and images in black and white.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project idea determines which flower lasts the longest.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

This science fair project idea produces consumable fresh water from salt water through desalination.

This project uses toy cars to determine how friction and gravity affect cars and braking.

This experiment will explore if and where fractals can be found in the natural world.

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