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Watersheds

Watersheds. A watershed or drainage basin is an extent of land where water from rain or melted snow drains downhill into a body of water, such as a river, lake, reservoir, estuary, wetland, sea or ocean. Watershed Videos.

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Watersheds

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  1. Watersheds A watershedor drainage basin is an extent of land where water from rain or melted snow drains downhill into a body of water, such as a river, lake, reservoir, estuary, wetland, sea or ocean. www.brainybetty.com

  2. Watershed Videos As you are watching the video clip, you will need to place close attention! In your notes, write at least 3 facts in complete sentences from the videos. Drainage Basins Watersheds and Wetlands www.brainybetty.com

  3. Jigsaw • Groups of 3-4 students • Each group will read a section from the book. • Your group will become “experts” on that section. • The group leader/s will then present their information to the class. www.brainybetty.com

  4. Sections • River Systems, Watersheds and Divides – p. 404 (Group 1) • Watersheds – p. 405 (Group 2) • Divides – p. 405 (Group 3) • Underground Layers – p.412 (Group 4) • Underground Layers – p.412 (Group 5) • Aquifers – p.414 (Group 6) • Bringing Groundwater to the surface & 1st paragraph of Wells – p. 414(Group 7) • 2nd and 3rd paragraphs of Wells and Artesian Wells – p. 414 – p.415 (Group 8) www.brainybetty.com

  5. Review • Where does the water in the Watershed come from? • Surface water (rivers, lakes, streams, runoff) and groundwater from aquifers (water table). • What happens to water that soaks into the ground? • Gravity causes water to trickle down between particles of soils, cracks and spaces in rock until it reaches impermeable materials. • What is the top level of the aquifer also known as? • Water table • What replenishes aquifers? • The watershed www.brainybetty.com

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