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Cycles of Life, 4-3

posted Apr 26, 2014, 12:41 PM by Paul Schwan   [ updated May 1, 2014, 5:35 PM ]
 Videos explaining the Water Cycle (less than 5 minutes)





Videos explaining the Carbon Cycle (about 8 minutes)





Videos explaining the Nitrogen Cycle (about 11 minutes)




4-3 Vocabulary
  • evaporation
  • condensation
  • precipitation
  • groundwater
  • runoff
  • water cycle
  • carbon cycle
  • nitrogen cycle
  • transpiration
  • carbon dioxide
  • photosynthesis
  • proteins
  • soil
  • ammonia
  • nitrates
  • nitrites
  • denitrifying bacteria
  • nitrogen-fixing bacteria
Definitions are here!

Study Guide is here!