Question 1
A group of students collected data to investigate changes along a section of a river channel.
The students measured the velocity in the centre of the river at three different survey sites.
Identify one item that could have been used to measure river velocity.
(1)
Name the correct unit of measurement for river velocity.
(1)
Complete the pie chart for Site 3 by plotting the data below.
| Pebble shape | Percentage |
| 1. Sub-rounded | 10% |
| 2. Rounded | 20% |
| 3. Well rounded | 70% |
(2)
Suggest one conclusion the students could make about the changes in pebble shape shown on Figure 1.
(2)
Describe one fieldwork method that could have been used by the students to measure river width.
(2)
Suggest one way this method to measure river width might not have been accurate.
(2)
You have studied a river as part of your geographical investigation.
Evaluate the following statement about your fieldwork:
‘My fieldwork location and survey sites helped me to answer my enquiry question(s).’
Title of your geographical investigation
(8)