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1.2 Systems And Models
Test Description: Environmental Systems and Societies Topic 1.2 Systems and Models
Instructions: Answer all questions to get your test result.
1) Who is the author of the Gaia hypothesis? Answer with their last name / family name / surname only.
A
Lockjoy
B
Lovelock
C
Lovejoy
D
Lockheart
2) The use of models, by simplifying complex interactions within the examined systems, provides only a partial view of that systems and the processes within it. Answer true or false
A
True
B
False
3) The universe may be described as a(n) ______________ system.
A
Open
B
Isolated
C
Closed
4) The Arabian Desert is an example of:
A
A closed system.
B
Deserts are not examples of systems.
C
An isolated system.
D
An open system.
5) A closed system is a type of system which exchanges:
A
Neither energy nor matter.
B
Both energy and matter.
C
Matter but not energy.
D
Energy but not matter.
6) Some models require the use of approximation techniques to portray the workings of a system or object. What can this lead to?
A
A loss of reliability of published models.
B
A loss of accuracy in representing or predicting changes in a given system.
C
An oversimplification of complex interactions between a number of different factors influencing the workings of a system.
D
All of the answer alternatives
7) Which of these are an example of transfer?
A
Evaporation
B
All of the above
C
Precipitation
D
Condensation
8) State whether respiration is an example of a transfer or a transformation.
A
Transfer
B
Transformation
9) A change of location of energy or matter in a system is a:
A
Transformation
B
Transfer
10) Who is your favorite teacher?
A
Not Mr Sam
B
Mr Sam
C
Any other teacher
*select an answer for all questions
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