climate change Flashcards
what is the name given for a cooling period in the earths history
Glacial period
what are the 4 natural causes of climate change
volcanic activity, solar activity, asteroid collisions,
orbital theory
How has volcanic activity impacted upon earths climate in the past
The earths climate gets colder as ash and gas get released in the earths atmosphere and the heats gets trapped making it colder
What are three pieces of evidence for natural climate change
ice cores, tree rings and historical records
How do historical records provide evidence of past climate change
Because they can be found in diaries news or even news papers
give an example of a greenhouse gas
carbon dioxide (co2)
name 3 human activities that produce greenhouse gases and enhance the greenhouse effect.
agriculture, industry and energy. Eg: burning fossil fuels
3 peices of evidence human indicated climate change
global average temp, co2 levels and sea level change
2 reasons for sea level rising
melting glacier and thermal expansion
what are three possible consequences of climate change
drought in some regions, rainfall from tropical cyclones.
