Exam (elaborations)
ocr A Level Geology (H414-02) Question Paper June2024.
- Module
- Institution
ocr A Level Geology (H414-02) Question Paper June2024.
[Show more]
Seller
Follow
richardkasnia
Reviews received
Content preview
ocrWednesday 12 June 2024 – Afternoon
A Level Geology
H414/02 Scientific literacy in geology
Time allowed: 2 hours 15 minutes
You can use:
an HB pencil
a protractor
a ruler (cm/mm)
a scientific or graphical calculator
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
INSTRUCTIONS
Last name
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
final
, 2
1
(a)
(i) Draw a fully labelled diagram to show the processes of saltation and traction along a river bed.
[2]
(ii) Given a constant flow velocity, explain how particles of the same grain size can be transported
by saltation or suspension.
..........................................................................................................................................................
................................................................................................................................................... [1]
(b) Describe the differences between sediments which are texturally mature and texturally immature.
Explain how sediments become texturally mature.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
................................................................................................................................................... [3]
final
, 3
(c) The Hjulström curve graph shows the relationship between the grain size of a sediment and the
flow velocity required for erosion, transportation and deposition.
1000
Erosion
100
Flow
velocity 10
(cm s–1)
Transport Deposition
1
0.1
0.001 0.01 0.1 1 10 100 1000
Grain size (mm)
(i) State the minimum flow velocity required to erode a grain size of 1 mm.
Minimum flow velocity = ...................... Unit =.......................[1]
(ii) State the maximum grain size that would be deposited if the flow velocity slowed to 2 cm s–1.
Maximum grain size = ...................... Unit =.......................[1]
(iii) Explain why both axes of the Hjulström curve graph use logarithmic scales.
..........................................................................................................................................................
................................................................................................................................................... [1]
final Turn over
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller richardkasnia. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £11.91. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now