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Ch. 2, sec. 2 Water and Landforms
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Ch. 2, sec. 2 Water and Landforms

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  • 1.  
  • 2. Bodies of Water and Landforms Ch. 2, Sec. 2
  • 3. Oceans and Seas
    • The ocean is a connect body of salt water that covers 71% of the earth
    • Divided into 4 sections: Atlantic, Pacific, Indian and Arctic
  • 4. Ocean Motion
    • Currents – act like rivers flowing through the sea
  • 5. Ocean Motion
    • Waves – Swells or ridges produced by winds
  • 6. Ocean Motion
    • Tides – regular rises and falls of the ocean created by the gravitational pull of the moon or the sun
  • 7. Hydrologic Cycle
    • Continuous circulation of water between the atmosphere, the oceans and the earth
    • 1-water evaporates  2-water exists as vapor in atmosphere  3-vapor cools, condenses and falls back to earth  4-water soaks into ground
  • 8.  
  • 9. Ground Water
    • Water held in the pores of rocks
    • Water table – level at which the rock is saturated
  • 10.
    • The water table isn’t constant. It raises or lowers depending on seasonal recharge from rain and also from how much is pumped out.
  • 11. Lakes, Rivers and Streams
    • Lakes hold > 95% of earth’s fresh water
      • Result of glacial action
    • Salt water lakes result from surface changes that cut water off from the sea
  • 12. Dead Sea
  • 13. That’s because the water is so much denser than you that it makes you naturally buoyant. Just don’t get the water in your eyes. It’ll sting.
  • 14. Lakes, Rivers and Streams
    • Rivers and streams flow through channels and move water to or from a larger body of water
      • An area drained by a major river and its tributaries is a drainage basin
  • 15.
    • Continental shelf
      • The point at which the edge of the continent drops off to the deep part of the ocean.
    Oceanic Landforms
  • 16. Continental Landforms
    • Relief – the difference in elevation of a landform from its lowest point to its highest point The bigger the difference, the greater the relief.
    • 4 categories: mountain, hills, plains, and plateaus
  • 17.
    • Topography is the combination and distribution of different landforms in an area
  • 18. Major Landforms
    • Island – a body of land surrounded by water
  • 19.
    • Swamp – a lowland region that is saturated by water
  • 20.
    • Strait – a narrow channel connecting 2 larger bodies of water
  • 21.
    • Delta – a triangular area of land formed from deposits at the mouth of a river
  • 22.
    • Oasis – a spot of fertile land in a desert, fed by water from wells or underground springs
  • 23.
    • Plateau – a broad, flat area of land higher than the surrounding land
  • 24.
    • Prairie – a large, level area of grassland with few or no trees
  • 25.
    • Steppe – a wide, treeless grassy plain
  • 26.
    • Mountain – natural elevation of the earth’s surface with steep sides and greater height than a hill
    • Valley – low land between hills or mountains
  • 27.
    • Glacier – a large ice mass that moves slowly down a mountain or over land
  • 28.
    • Cataract – a step-like series of waterfalls
  • 29.
    • Cliff – the steep, almost vertical edge of a hill, mountain or plain
  • 30. Group Landform Project!!!
    • In your assigned group, work together to create a map of an imaginary continent on your piece of construction paper. This is a physical map only, so your group will not need to include borders or cities.
    • Group One: Landforms on Page 34
    • Group Two: Landforms on Page 35

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