Exam code: 4GE1
(i)
Suggest one advantage of locating the graph (Figure 7b) above the transect (Figure 7c).
(2)
(ii)
What conclusions can be reached about changes in pH and vegetation along the transect?
(6)
(iii)
Suggest how you might evaluate the conclusions reached in such an investigation.
(3)
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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.
(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)
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(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)
(iii)
Site 5 shows an anomalous result.
Suggest one possible explanation for this.
(4)
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
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