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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment explores how listening in to a one-sided conversation affects concentration.

This project compares the strength of one, two, and three-ply toilet paper.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Science fair project that determines whether moths are attracted to one color of light more than others.

Test out various brands of permanent markers to see which one is least water soluble.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?