Geography A-Level
Closed System
What Closed System means in Geography A-Level, as defined for Pearson Edexcel.
Definition of Closed System
A system where energy transfers across boundaries, but matter does not (e.g., the global hydrological cycle).
Topics that use Closed System
- The Water Cycle and Water Insecurity (Pearson Edexcel A-Level)
Related terms
- Albedo Feedback
- Anthropogenic Modification
- Aquifer
- Clausius-Clapeyron Relationship
- Cryosphere
- Drainage Basin Dynamics
- Eustatic Sea Level Rise
- Eutrophication
Using Closed System in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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