6.1 Running Water
Water Cycle• The constant movement of water among the  oceans, the atmosphere, geosphere, and the  biosphere.
Infiltration• The movement of surface water into rock or  soil through cracks and pore spaces
transpiration• When plants absorb water and release it into  the atmosphere
Gradient• The slope of a stream over a certain distance
Stream channel• The course that the water in a stream follows
Discharge• The quantity of water in a stream that passes  a given point in a period of time
tributary• A stream that empties itself into another  stream
Base level• The lowest point to which a stream can erode  its channel
Meander• A looplike bend in the course of a stream
Key Concept• Water constantly moves along the oceans, the  atmosphere, the solid earth, and the  biosphere. This unending ...
Key Concept• Balance in the water cycle means the average  annual precipitation over Earth equals the  amount of water tha...
Key Concept• The ability of a stream to erode and transport  materials depends largely on its velocity.
Key Concept• While gradient decreases between a stream’s  headwaters and mouth, discharge increases.
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Earth science 6.1

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Earth science 6.1

  1. 1. 6.1 Running Water
  2. 2. Water Cycle• The constant movement of water among the oceans, the atmosphere, geosphere, and the biosphere.
  3. 3. Infiltration• The movement of surface water into rock or soil through cracks and pore spaces
  4. 4. transpiration• When plants absorb water and release it into the atmosphere
  5. 5. Gradient• The slope of a stream over a certain distance
  6. 6. Stream channel• The course that the water in a stream follows
  7. 7. Discharge• The quantity of water in a stream that passes a given point in a period of time
  8. 8. tributary• A stream that empties itself into another stream
  9. 9. Base level• The lowest point to which a stream can erode its channel
  10. 10. Meander• A looplike bend in the course of a stream
  11. 11. Key Concept• Water constantly moves along the oceans, the atmosphere, the solid earth, and the biosphere. This unending circulation of Earth’s water supply is the water cycle.
  12. 12. Key Concept• Balance in the water cycle means the average annual precipitation over Earth equals the amount of water that evaporates.
  13. 13. Key Concept• The ability of a stream to erode and transport materials depends largely on its velocity.
  14. 14. Key Concept• While gradient decreases between a stream’s headwaters and mouth, discharge increases.

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