This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea investigates the hardness property of minerals.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this fun experiment, we'll find out how color affects heat absorption!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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 create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea explores whether color affects a person's emotional state.

This basketball project explores the best way to make the perfect shot every time.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea investigates the difference in reaction times between boys and girls.