IGCSEGeographyEdexcelTopic Questions10. River Fieldwork10.2 River Enquiry Skills

River Enquiry Skills (Edexcel IGCSE Geography)

Topic Questions

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1
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Study Figure 4a . It shows some sample data from one site on a river. A cork float was used to measure the time taken to travel between two points. 

Sample    Time taken (seconds) 
1 13.1
2 15.4
3 16.8 
4  20.0 
5  37.0

Figure 4a 

River data collected by a group of students 

(i)
Calculate the mean time taken for the cork float to travel from site A to site B

Give your answer to one decimal place.

(2)
(ii)
Complete Figure 4b below for samples 1 and 4 using data in Figure 4a.

fig-4b-4ge1-01r-june-2019-edexcel-igcse-geography

(2)

(iii)
Sample 5 shows an anomalous result.

Suggest one possible explanation for this
(2)

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2
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(i)

Study Figure 4a. It shows sample data on velocity from one site on a river. A cork float was used to measure the time taken to travel between two points, A and B. 

Calculate the meantime taken for the cork float to travel between points A and B.

Give your answer to one decimal place.

You must show all your workings in the space below.

(2)

Sample    Time taken (seconds) 
1

21.1 
2

16.0 
3

14.1 
4

15.0 
5

35.0 

Figure 4a 

River data collected by a group of students 

(ii)

Using the data in Figure 4a (in the Resource Booklet), complete Figure 4b below for measurements 1 and 4.

(1)

(iii)
Mark an x in the box on Figure 4b which represents the float with the anomalous result.

(1)
(iv)
Suggest one explanation for this anomaly. 

(3)

q4a-iv-4ge1-01-june-2019-edexcel-igcse-geography

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31 mark

Study Figure 4a below

Identify one type of primary data used by the students

screenshot-2023-08-15-at-14-20-29

  • Environment Agency flood risk map

  • Field sketches

  • Local historical map

  • Newspaper articles

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4
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Study Figure 4b which shows some data about river velocity at four sites

Calculate the mean river velocity at Site 2

Give your answer to one decimal place

You must show all your workings

screenshot-2023-08-15-at-14-20-29

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5a2 marks

Suggest one reason why the data for Site 1 may not be reliable

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5b2 marks

Complete Figure 4d below using the data highlighted in Figure 4c

zdhc98AJ_screenshot-2023-08-15-at-14-20-43

screenshot-2023-08-16-at-08-45-29

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6
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Study Figure 4b which shows some data collected about river velocity

Calculate the mean velocity

Give your answer to one decimal place

You must show all your workings 

screenshot-2023-08-16-at-09-04-13

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7a2 marks

Complete Figure 4d, using the data highlighted in figure 4c

screenshot-2023-08-16-at-09-04-19

screenshot-2023-08-16-at-09-21-57

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7b2 marks

Identify two ways the students could have improved the reliability of the data collected

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1
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You have studied river environments for your geographical enquiry. 

Evaluate how successful your chosen data analysis methods were in answering your geographical enquiry question.

Enquiry question.

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2
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You have studied river processes as part of your own geographical enquiry.  

Evaluate the effectiveness of the data collection methods in relation to the purpose of the study. 

Enquiry question .    

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38 marks

Study Figure 4 below. It shows some information about methods used, data collected and a conclusion.


The aim of the student’s enquiry was to examine change in river channel shape along the course of a river.


Evaluate how far the student’s data presentation methods and analysis helped the student to make their conclusions.

screenshot-2023-08-14-at-13-27-04

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1a
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Describe two sources of secondary information that might be useful in planning a river channel investigation. 

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1b
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Suggest why one of the sampling methods named in (b)(i) would be appropriate to use in a river channel investigation. Sampling method

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2
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To extend the river study, students were asked to use one additional quantitative and one qualitative technique.
Describe two additional fieldwork techniques the students may have selected. 

Quantitative     

Qualitative     

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3
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(i)
Suggest one possible aim of a river channel investigation
(2)
(ii)
Identify three reasons why a river channel investigation might not achieve the aim given in (c)(i). 
(3)

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43 marks

Explain one advantage of using a line graph to present results

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