If all of the water on Earth-fresh and salt, underground and above, solid, liquid, and vapor-was collected, it would form a sphere with a diameter of about 860 miles, and a volume of approximately 332.5 million cubic miles (a cubic mile of water contains about 1.1 trillion gallons)! This collection of worksheets introduces students to water: where it came from, how it gets to the tap, and how important it is to the body. Questionnaire sheets and answer keys are provided.
Fun Fact: Water can dissolve more substances than any other liquid. Some scientists refer to it as the "Universal Solvent."