Overview of this wide ranging water unit. Begins with learning goals and performance expectations. Then covers the Water on Earth as a resource. Afterwards explores dwindling resources with articles of Water Woes about the Oglalla Reservoir in the midwest of the USA and Ocean animals facing extinction. Next flows through students discovering personal and national water footprints. Followed by the complete Water Cycle, research on Earth's Water crisis, Where does your wastewater go and the Pacific Salmon life cycle followed up with an overview of What's happening to salmon populations. Finally the unit ends with a lab on Salmon and water quality.