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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

This project determines what category of person is most likely to be ticklish.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

This science fair project idea explores whether talking to a plant will help it grow.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.