Learn about the threat of lead in drinking water and what actions you can take to prevent or deal with exposure.

Every person, plant, and animal needs water to survive. Learn why water is so important for our health and how you can keep yourself hydrated and healthy by drinking enough fluids every day.

In addition to providing a good definition of "Dehydration," this website explains how dehydration affects the body, how people get dehydrated, and how you can treat and prevent dehydration.

This encyclopedia article on dehydration is organized into several sections, including: "Definition," "Causes, incidence, and risk factors," "Symptoms," and "Treatment."

In this activity, students build a water filter with activated carbon, cotton and other materials to remove chocolate powder from water.

Learn about the importance of water in our health, how much one should drink, and some tips for drinking more water.