Heskett Science: Hydrologic Cycle 24 words

  1. evaporation
    the process of becoming a vapor
  2. condensation
    the process of changing from a gaseous to a liquid or solid state
  3. transpiration
    the emission of water vapor from the leaves of plants
  4. sublimation
    (chemistry) a change directly from the solid to the gaseous state without becoming liquid
  5. aquifer
    underground bed or layer yielding ground water for wells and springs etc
  6. ground water
    underground water that is held in the soil and in pervious rocks
  7. precipitation
    the falling to earth of any form of water (rain or snow or hail or sleet or mist)
  8. watershed
    a ridge of land that separates two adjacent river systems
  9. tributary
    a branch that flows into the main stream
  10. hydrosphere
    the watery layer of the earth's surface; includes water vapor
  11. lithosphere
    the solid part of the earth consisting of the crust and outer mantle
  12. biosphere
    the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
  13. atmosphere
    the envelope of gases surrounding any celestial body
  14. geosphere
    the solid part of the earth consisting of the crust and outer mantle
  15. channel
    a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels
  16. water table
    underground surface below which the ground is wholly saturated with water
  17. solid
    not soft or yielding to pressure
  18. liquid
    fluid matter having no fixed shape but a fixed volume
  19. gas
    a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
  20. water vapor
    water in a vaporous form diffused in the atmosphere but below boiling temperature
  21. rain
    water falling in drops from vapor condensed in the atmosphere
  22. hail
    precipitation of ice pellets when there are strong rising air currents
  23. snow
    precipitation falling from clouds in the form of ice crystals
  24. sleet
    partially melted snow (or a mixture of rain and snow)