EDEXCEL GCSE
GEOGRAPHY 2021
PAPER 2 QP.
Investigating physical environments
Either (Rivers)
1 A group of students was collecting data along the length of a river as part of an
investigation into changes in a river channel.
(a) The students had planned to use a flow meter to measure the veloc...
, Investigating physical environments
Either (Rivers)
1 A group of students was collecting data along the length of a river as part of an
investigation into changes in a river channel.
(a) The students had planned to use a flow meter to measure the velocity of the river, but
one of their chosen sites was too shallow.
State one way they could adapt their technique. (1)
(b) Give one piece of equipment, other than a flow meter, they would need to use to
investigate river discharge. (1)
Study Figure 1a in the Resource Booklet. It shows a sketch of sites used to collect river data.
(c) Explain one reason why the students chose a stratified sampling approach. (3)
4
, Study Figure 1b in the Resource Booklet.
(di) Which of the following are the correct units used for cross-sectional area in Figure 1b. (1)
(dii) Calculate the mean and median depth of the river. (2)
(diii) Using Figure 1b, explain one reason why a student might choose to use the results from
the median, rather than the mean. (2)
5
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 or Stuvia-credit 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 SOLUTIONS2024. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.49. You're not tied to anything after your purchase.