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Do Now. Begin DO NOW Word Match Watercycling. Objective. Describe the water cycle and what happens to precipitation. Hydrologic Cycle. The Water Cycle. 1. Evaporation: Water from oceans, lakes and rivers turns to gas, enters the atmosphere.

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Do Now

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  1. Do Now Begin DO NOW Word Match Watercycling

  2. Objective Describe the water cycle and what happens to precipitation.

  3. Hydrologic Cycle

  4. The Water Cycle 1. Evaporation: Water from oceans, lakes and rivers turns to gas, enters the atmosphere. 2. Transpiration: Water released by plants and trees into the atmosphere. 3. Condensation:Water vapor cools to dewpoint and becomes liquid water.

  5. What Happens to Precipitation? 4. Precipitation: Falling liquid or solid water from clouds. Rain, Snow, Sleet, Hail. 5. Runoff: Flows over land on the surface into streams, rivers, oceans... 6. Infiltration: Seeps into the soil.

  6. Do nowPick up do now and begin5 questions using esrt!

  7. AIM: What happens to water when it infiltrates the ground? Groundwater Quiz Brainpop

  8. Think about factors that will allow water to INFILTRATE

  9. Fill in the handout: Vocabulary: Zone of Aeration- Water Table- Capillary Fringe-

  10. Capillary Fringe

  11. Zone of Saturation- Bedrock- Water tables come to earth’s surface at: Water tables typically follow the topography of the land.

  12. Define the Vocabulary & Label

  13. Investigating Groundwater animation Describe the Factors that affect runoff and infiltration of water? http://earthguide.ucsd.edu/earthguide/diagrams/groundwater/index.html

  14. Define the Vocabulary & Label

  15. Factors that Affect Infiltration • Permeable • Unsaturated • Gentle (flat) slope of land • Vegetation • Land Use • Rate of precipitation less than Infiltration

  16. Infiltration Permeability Permeability • Ability to let water through, into. [ Infiltration ]

  17. Degree of Saturation Saturated – full of water; No infiltration; High runoff. Unsaturated- empty space; High infiltration; Low runoff.

  18. Runoff • When soil is saturated water will run over surface; more runoff. Infiltration Saturation

  19. Slope of the land • Flat Slope=High Infiltration= Low Runoff • Steep Slope=Low Infiltration=High Runoff Infiltration ____ Runoff ____ Slope _____

  20. Slope (Gradient) • Steeper slope = less infiltration. • Slope ____ Infiltration ____ Infiltration Slope

  21. Land use affects infiltration • Parking lots, paved roads and buildings prevent infiltration into the ground. • Farmland also reduces infiltration. • Less infiltration = More Runoff.

  22. Vegetation affects infiltration • Vegetation increases, infiltration increases.

  23. Vegetation • Vegetated-Plants, Trees, Grass absorb water – high infiltration. • Barren-No Vegetation, high runoff Infiltration Vegetation

  24. Closure • Rainfall is most likely to infiltrate into soil that is • Draw the relationship between slope of the land and runoff • Flooding is likely to occur if the soil surface is Saturated, Paved, Impermeable, Steep Flat, unsaturated, vegetated, large particles. As Slope increases Runoff Increases-Direct

  25. Homework Read Text pgs. 239-243 Answer Section assessment #1-5.

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