Coastal Enquiry Skills (Edexcel IGCSE Geography): Exam Questions

Exam code: 4GE1

44 mins7 questions
1
2 marks

A student investigated how sediment size changes along a beach. They measured the length of ten pebbles at each site using a ruler. The median pebble length (in millimetres) at each site is shown in the table below.

Site

Location on beach

Median pebble length (mm)

1

Western end

68

2

57

3

49

4

61

5

38

6

Eastern end

27

Calculate the median of the six site medians shown in the table. Show your working.

2
1 mark

State one method that the students could use to present sediment size data from their enquiry.

1a
2 marks

Figure 7b is a table and graph. The table shows the data collected on a sand dune transect. The data has been plotted on the graph.

Figure 7c is a sketch of the transect from the data.

Scatter graph showing correlation between pH of surface material and average number of plant species per square metre across six different sites.
H-xczUmx_q7b-2-june-2018-edexcel-igcse-geography

Suggest one advantage of locating the graph (Figure 7b) above the transect (Figure 7c).

1b
6 marks

What conclusions can be reached about changes in pH and vegetation along the transect?

1c
3 marks

Suggest how you might evaluate the conclusions reached in such an investigation.

2
8 marks

Study Figure 5a . It shows sample data on shingle size collected at five sites along a stretch of coastline.

(i)

Calculate the mean shingle size for the five sites. Give your answer to one decimal place. You must show all your workings in the space below. 

Site 

Mean shingle size (mm) 

1

21.1 

2

16.0 

3

14.1 

4

10.0 

5

30.1 

Figure 5a   Coastal data collected by a group of students 

(2)

(ii)

Using the data in Figure 5a, complete Figure 5b below for sites 1 and 4.

q5a-iv-4ge1-01-june-2019-edexcel-igcse-geography

(1)

(iii)

Mark an x in the box on Figure 5b which represents the site with the anomalous result. 

(1)

(iv)

Suggest one possible explanation for this anomaly

(4)

3a
6 marks

(i)

Study Figure 5a . It shows some sample data about shingle size along a stretch of coastline. 

Calculate the mean shingle size across the five sites.

Give your answer to one decimal place. 

You must show all your workings in the space below.

Site 

Mean shingle size

 (mm) 

1

8.1 

2

14.5 

3

16.1 

4

15.0 

5

30.0 

Figure 5a 

Coastal data collected by a group of students 

 (1)

(ii)

Complete Figure 5b below for sites 1 and 4 using data in Figure 5a.

 (1)

fig-5b-4ge1-01r-june-2019-edexcel-igcse-geography

(iii)

Site 5 shows an anomalous result.

Suggest one possible explanation for this. 

 (4)

3b
4 marks

To extend the coastal study, students were asked to use one additional quantitative and one qualitative technique.

Describe the two additional fieldwork techniques the students may have selected.

Quantitative

Qualitative

4a
1 mark

The median pebble length (in millimetres) at each site is shown in the table below.

Site

Location on beach

Median pebble length (mm)

1

Western end

68

2

57

3

49

4

61

5

38

6

Eastern end

27

Identify the anomalous result in the data.

4b
3 marks

Suggest one reason why the anomalous result at Site 4 may have occurred.

1
8 marks

You have studied coastal environments as part of your own geographical enquiry.

Evaluate the accuracy and reliability of the conclusion you drew from your enquiry.

State the title of your geographical enquiry.