Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Test whether cutting up meats will make it cook faster than just cooking it whole.

Word color association is just a fancy way to talk about the way we connect colors with words.

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Learn about this simple machine and make a pulley of your own to use for fun science trials.