Clear zone — margin trimmed off after completion of assessment
Question and response book
Earth & Environmental Science
Paper 1
Time allowed
• Perusal time — 10 minutes
• Working time — 90 minutes
General instructions
• Answer all questions in this question and response book.
• QCAA-approved calculator permitted.
• Planning paper will not be marked.
Section 1 (15 marks)
• 15 multiple choice questions
Section 2 (27 marks)
• 5 short response questions
External assessment 2022
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Family name
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Book
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Section 1
Instructions
• Choose the best answer for Questions 1–15.
• This section has 15 questions and is worth 15 marks.
• Use a 2B pencil to fill in the A, B, C or D answer bubble completely.
• If you change your mind or make a mistake, use an eraser to remove your response and fill in the new answer bubble completely.
A B C D
Example:
A B C D
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Section 2
Instructions
• Write using black or blue pen.
• If you need more space for a response, use the additional pages at the back of this book.
– On the additional pages, write the question number you are responding to.
– Cancel any incorrect response by ruling a single diagonal line through your work.
– Write the page number of your alternative/additional response, i.e. See page … – If you do not do this, your original response will be marked.
• This section has five questions and is worth 27 marks.
QUESTION 16 (6 marks)
The diagram shows a surface geological map of a region where a mine to extract ilmenite, rutile, leucoxene and zircon is proposed.
115.6° E 115.7° E 115.8° E 115.9° E 116.0° E 31.0° S
31.1° S
31.2° S
31.3° S
31.4° S
31.5° S
Key
Quaternary dunes
Cenozoic sand plain Quaternary deposits
Cenozoic duricrust
Proposed mine Cretaceous deposits
Do not write outside this box.
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a) Predict the viability of the proposed mine site based on the geological setting.
Justify your prediction. [2 marks]
b) Identify a direct sampling technique that could verify the quality of the deposit and
explain why this technique would be suitable. [2 marks]
c) Identify a suitable extraction method. Justify your response. [2 marks]
QUESTION 17 (5 marks)
The map shows tectonic plates in the Western Pacific region.
South Pacific Ocean
Samoa
Fiji
Tonga Plate
New Zealand Kermadec Plate Australian Plate
New Hebrides Plate New Caledonia
X
Pacific island chain Key
Tonga
Do not write outside this box.
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a) Identify the plate denoted by X. [1 mark]
b) Describe the type of plate boundary interaction between the Kermadec Plate and X. [1 mark]
c) Identify the reasons tsunamis are likely to occur in the Pacific island chain. Explain
why tsunamis are a significant hazard for the region. [3 marks]
QUESTION 18 (6 marks)
The graph shows the rate of carbon dioxide emissions and absorption between 1920 and 2020.
1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020
Year 50
40 30
20 10 0 Global CO2 (Gt)
Key Emissions Absorption
a) Explain the net effect of the trends in carbon dioxide emissions shown by the graph. [2 marks]
Do not write outside this box.
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b) Suggest a likely cause of the trends identified in Question 18a). Explain the implications of the trends for the chemical composition of the atmosphere and the climate. Show
your reasoning. [4 marks]
QUESTION 19 (5 marks)
A study was conducted when a sudden algal bloom was discovered in a waterway that runs adjacent to a dairy paddock. Fertiliser had been applied to the paddock several weeks before. Dissolved oxygen, pH and turbidity were measured at various distances from the source of the waterway.
Distance from water source (m) 100 5
4 3 2 1 0
Value
Key Dissolved oxygen (ppm) pH Turbidity (NTU) 10
9 8 7 6
80 60
40 20
0
Draw a conclusion about possible anthropogenic causes of the algal bloom. Show your reasoning, referring to each variable measured in the graph.
Do not write outside this box.
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QUESTION 20 (5 marks)
The map models changes in winter sea surface temperature from 2006 to 2100.
30.0° S
Temperature change (°C)
2.5 2.0 1.5 1.0 0.5 0.0 3.5 3.0
35.0° S
40.0° S
45.0° S
140.0° E 150.0° E 160.0° E
A
Hobart Melbourne
Bass Strait
a) Explain a likely change in fisheries distribution and sustainability in area A. [3 marks]
Do not write outside this box.
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b) Identify a mitigation strategy for the change identified in Question 20a) that could be
implemented by the Australian government. [1 mark]
c) Identify a mitigation strategy for the change identified in Question 20a) that could be
implemented by local fisheries. [1 mark]
END OF PAPER
ADDITIONAL PAGE FOR STUDENT RESPONSES
Write the question number you are responding to.Do not write outside this box.
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ADDITIONAL PAGE FOR STUDENT RESPONSES
Write the question number you are responding to.© State of Queensland (QCAA) 2022
Licence: https://creativecommons.org/licenses/by/4.0 | Copyright notice: www.qcaa.qld.edu.au/copyright — lists the
Clear zone — margin trimmed off after completion of assessment
