Flashcards
Section A (Changing Climate)
Flashcards do conjunto (16)
- 1Define weather.The current temperature and rainfall.
- 2Define climate.The weather over a 30 year period.
- 3What evidence is there for a change in UK climate over time?- Glacial till in East Anglia shows that glaciers were once present.
- Fossils of animals and plants from different climates. - 4Name causes of climate change?Volcanic Eruptions
Sunspot activity
Enhanced greenhouse affect - 5How do volcanic eruptions cause climate change?Ash cloud can block out solar radiation.
- 6Define and give and example of megafauna.Big animals e.g Woolly mammoth
- 7When was the ice age?10,000-15,000 years ago
- 8What happened to megafauna at the end of the Ice?mass extinction
- 9What were the causes of the mega fauna's mass extinction?1. They couldn't cope with the change - they could no longer access their food source.
2. Human beings hunted them down. - 10What is a temperate maritime climate and where does it occur?It is a mild and wet climate.
The UK has a temperate maritime climate. - 11What is precipitation and name a month with low precipitation in the UK?Precipitation is amount of rainfall.
July. - 12Why is the UK's climate mild?Continentality - Warm, wet winds are brought to the UK by the Gulf Stream.
- 13Name some main causes of the enhanced greenhouse effect.Industrialisation
Deforestation - 14How does deforestation cause the enhanced greenhouse effect?Burning of trees releases CO2 and the lack of tree means that less CO2 is being removed by photosynthesis.
- 15What causes rising sea levels?Ice caps melting and thermal expansion of water.
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- GCSE Humanities (Geography) FlashCards sobre Section A (Changing Climate) , criado por Nik Lerche em 06-04-2016.
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- Nik Lerche
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