Cycles in an ecosystem

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Cycles in an ecosystem

  1. 1. Warm up<br />Why are cycles important in an ecosystem?<br />How do cycles show the laws of Conservation?<br />
  2. 2. Cycles in an Ecosystem<br />
  3. 3. Cycles are important to the health of the planet.<br />Many materials cycle throughout ecosystems.<br />They follow the Laws of Conservation…<br />
  4. 4. The<br /> W<br />A<br />T<br />E<br />R<br /> Cycle<br />Condensation<br />Precipitation<br />Transpiration<br />Evaporation<br />Runoff<br />Ground water<br />
  5. 5. Hmm???<br />Why do farmers spray crops with cold water when the weather is expected to dip below freezing?<br />
  6. 6. Hmm???<br />How does an oasis form in a desert that receives very little rain?<br />
  7. 7. Oh My!!!!!!!!!!!!!!<br />The average person in the United States uses about 78 gallons of water each day! What are some things we could do to reduce this number?<br />
  8. 8. READ…<br />Please read “Pass the Salt, Please” and answer the critical thinking questions in your notebook.<br />
  9. 9. The<br />C<br />A<br />R<br />B<br />O<br />N<br />Cycle<br />CO2 in the <br />air<br />Photosynthesis<br />Respiration<br />Combustion<br />Death &<br />Decomposition<br />Fossil<br />Fuels<br />Fossil<br />Fuels<br />
  10. 10. Hmm???<br />What is collecting on the jar?<br />Why?<br />
  11. 11. Hmm???<br />Carbon dioxide causes the Earth’s atmosphere to hold in heat. What problem is this creating for the planet?<br />
  12. 12. The<br />N<br />IT<br />R<br />O<br />GE<br />N<br />Cycle<br />Nitrogen in air<br />Animals get N<br />from plants<br />Fixed by<br />lightning<br />Uptake by<br />plants<br />Dead<br />things<br />Bacteria in <br />the soil<br />change it <br />to gas<br />Released by<br />decomposers<br />Fixed by<br />lightning<br />
  13. 13. NOW…<br />Create a concept map or word web that describes the 3 cycles important to all ecosystems.<br />

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