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    Edexcel A – Weather Hazards and Climate Change 1

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Weather Hazards and Climate Change 1

The Final Countdown is here to help you prepare for your final Edexcel A GCSE geography exam. Following our weekly exercises will prepare you to take on the examiner.

Revise

This week you will revise weather hazards and climate change. It would help if you covered the following:

  • The features of the global atmospheric circulation.
  • How circulation cells and ocean currents transfer and redistribute heat energy across the Earth.
  • How climate has changed over different time scales: glacial and interglacial periods during the Quaternary period.
  • Causes (Milankovitch cycles, solar variation, volcanism) and evidence (ice cores, pollen records, tree rings, historical sources) for natural climate change.
  • How human activities (industry, transport, energy, farming) produce greenhouse gases (carbon dioxide, methane) that cause the enhanced greenhouse effect.
  • Climate change has negative effects on the environment and people (changing patterns of crop yield, rising sea levels and retreating glaciers).
  • The climate of the UK today and changes over the last 1000 years.
  • Spatial variations in temperature, prevailing wind and rainfall within the UK.
  • The significance of the UK’s geographic location in relation to its climate.

Use one of the three strategies below to revise these areas.

Quiz

Have a go at the quiz activities below.

Global Atmospheric Circulation

What are the features of global atmospheric circulation? 

How do circulation cells and ocean currents transfer and redistribute heat energy across the Earth?


The Hadley Cells

The Ferrel Cells

The Polar Cells

Ocean Currents

The global climate continues to change due to natural causes

How has the climate changed in the past over different time scales?

Causes of natural climate change

Evidence for natural climate change

The global climate is changing as a result of human activity

How do human activities produce greenhouse gases that cause the enhanced greenhouse effect?

What are the negative effects of climate change on the environment and people? 

Changing patterns of crop yield

Rising sea levels

Retreating glaciers

The UK’s distinct climate has changed over time

How has the UK climate changed over the last 1,000 years?

What is the UK climate like today? 

What is the significance of the UK’s geographic location in relation to its climate?

Exam Questions

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