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.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

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

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

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

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

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

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

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

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

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

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

This science fair project explores how salt and sugar affect the melting rate of ice in water.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

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

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.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

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.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

The project investigates how friction affects motion by using different surface textures.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

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

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!