This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.