| Description | (May 2009) This is a new unit, rather than a current unit interrogated and then revised. It concentrates on how planet Earth maintains a relatively stable temperature, suitable for life. It is an adaptation of a unit developed last year in response to the change in the Planet Earth and Beyond strand that now includes more systems thinking. The maintenance of a stable climate involves all of the spheres –the geosphere, hydrosphere, atmosphere and biosphere. This unit will hopefully help students to understand that Planet Earth works as a whole, and that the ocean and atmosphere play a crucial part. This will enable students to gain background so that planetary problems can be discussed and possible solutions understood. Author: Jenny Pollock |
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