Question 1

Define the term “model” in ESS.

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Question 2

State two human activities that can trigger positive feedback loops in environmental systems.

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Question 3

Which type of model uses arrows and shapes to show relationships?

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Question 4

Define the term open system.

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Question 5

Outline two examples of models used in ESS and what each shows.

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Question 6

State one characteristic of a positive feedback loop.

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Question 7

Which statement best defines a model in ESS?

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Question 8

Why are models used in environmental science?

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Question 9

Outline two uses of models in environmental science.

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Question 10

Define the term system boundary.

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Question 11

A paragraph that describes how a system works (without a diagram) is a…

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Question 12

Which is an example of a model?

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Question 13

Which model shows change over time?

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Question 14

Define the term negative feedback loop.

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Question 15

Which type of model mainly uses equations (for example y = mx + b)?

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Question 16

Which type of model predicts future climate conditions?

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Question 17

Define the term storage (stock) in a systems model.

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Question 18

Which model best shows feeding relationships?

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Question 19

Which statement about models is correct?

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Question 20

Define the term resilience in the context of environmental systems.

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Topic 1.2: Models, Systems and Loops Questions

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