water

Presents simple experiments demonstrating the basic scientific principles of water.

Friends Cat and Dog are puzzled by the changing forms of water.

Explains how air and water pressure work and how they are used in machines.

Answers the title question with a number of answers, such as rain, reservoirs, aquifers, and wells.

Examines how the demand for water is increasing with the growth of population, and describes the issues surrounding the use, supply, and conservation of water.

Discusses water's sources, uses, and shortages; water quality problems and management programs; and what individuals can do to ensure cleaner water.

Describes how modern life is affecting ponds, rivers, and lakes globally and discusses possible ways of saving the endangered species in these waterways.

After mastering the power of the Board of Air, Jenna Solitaire travels to Jerusalem to find the Board of Water, accompanied by Simon Monk, who is seeking the Boards on behalf of the Vatican, and even though Jenna doesn't trust Simon, she is forced to rely on him to find the Board before it can cause unimaginable destruction.

Explains the cycle of evaporation, condensation, and precipitation that provides fresh water to the earth and describes how this supply is brought to people's homes.

Explains the cycle of evaporation, condensation, and precipitation that provides fresh water to the earth and describes how this supply is brought to people's homes.