Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

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

In this project students experiment with making music using only glasses of water.

This science fair project idea investigates whether air has mass and weight.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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.

In this project children practice the scientific method while playing with puffy paint.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this project, a basketball containing different psi is dropped to see how well it bounces.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Do you think heat can affect a plant's growth rate?

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

Make a backbone model to explore human anatomy and life science.

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

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 classic children's game demonstrates how sound travels through air vs. through a solid.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Plants and light seem to be good buddies, but how far does the friendship really go?