Climate Change (OCR GCSE Geography)

The graph and table below show the average September Arctic sea ice extent between 1975 and 2015.

Which of these statements describing the trend shown on this graph is true?

Study Fig. 1, a graph showing atmospheric carbon dioxide from ice cores. Select the correct description of the trend shown by the graph in Fig. 1.

Figure 1

Study Fig. 1, which shows global temperature trends over time.

Figure 1

 Identify the region with the largest decrease in temperature.

Study Fig. 1, which shows global temperature trends over time.

Figure1

What is the most common temperature change shown for the UK?

Study Fig. 1, which shows global temperature trends over time.

Figure1

Give one region that experienced a temperature increase of 0.4–0.5 °C.

Study Fig. 1, which shows global temperature trends over time.

Figure 1

Suggest one change to Fig. 1 to improve it.

The graph below shows sunspot cycles between 1970 and 2017

In 2000 there were 150 sunspots. Use this information to complete the graph. 

Use the graph to identify the average timing of one sunspot cycle

Study Fig. 4, which shows changes in Arctic sea ice positions over time. Identify the overall trend shown in Fig. 4

Figure 4

Explain how sea ice positions can be used as evidence for climate change.

Give two worldwide environmental impacts of climate change

Study Fig. 2, which shows a section of an ice core.

Figure 2

Using Fig. 2, state how many years of snow accumulation are shown by this ice core.

Which of the following would be the most useful piece of information which could be added to Fig. 2.

Figure 2

Outline the theory of how sunspots are linked to climate change.

Look at the graph below.

Describe the overall change in atmospheric CO₂ between 1970 and 2010.

Identify the largest contributor to atmospheric CO₂.

Examine the possible economic impacts of climate change on the UK.