1. Page 103 Homework: Study Guide Page 104 Thursday, February 19, 2015 Friday, February 20, 2015 Water Cycles and Watersheds Thursday, February 19, 2015 Friday, February 20, 2015 Water Cycles and Watersheds E.Q. – What is a watershed and how does the water cycle affect it? Warm Up: Use lab and 10C of text Distribution of Water Review Water Cycle Diagram ( 10 min ) Make a flow chart or create a diagram representing the events of the water cycle. Use the following words: solar energy, evaporation, precipitation, condensation, transpiration, runoff, and groundwaterwater cycle ___% Land to ___ % Water on Earth ___% Salt Water to ___ % Fresh Water on Earth Why can’t we access most fresh water?

2. Watershed Ocean or Gulf or Bay

3. Watersheds (30 min) A water shed is _______________________________________________________. It may also be called a _______ _______ or a _________ __________. DE Article “Getting to Know: Watersheds, Wetlands, and Estuaries DE Video – Water as a Resource (15:03)Water as a Resource (15:03) Infiltration Aquifer WatershedPollutionWaste Water Conserve Water What is a watershed and what are the major watersheds in your state? What are the components and characteristics of a river system? How can the water quality in a watershed be affected by human activity?

4. Watershed or River Basin: The tract of land that supplies water to a river system. People’s actions within a watershed can affect the overall quality of its rivers. Divide: Boundary that marks the outermost limit of a watershed. It is the boundary between one river basin and another river basin. Headwaters: Also called the source. It is the beginning of the river. The headwaters are often located in mountains. Tributary: A smaller stream or river that joins a larger stream or main river Main Channel or Main River: The main river channel is the primary channel and course of a river Floodplain: The floodplain is relatively flat land through which a river flows, which may flood during heavy rain. The soil here is usually very rich and good for growing food. Mouth: The mouth is the place where a river flows into a larger body of water, such as another river, a lake or an ocean