The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project idea examines whether boys and girls differ in reflexes.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Examine whether males or females are more likely to have a higher center of gravity.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Here's a guide to starting a community clean-up project from scratch.