Past climates Key Words 0.0 / 5 ? GeographyClimate changeGCSEEdexcel Created by: caitsCreated on: 01-04-14 18:27 Climatologist A scientist who is an expert in clime and climate change 1 of 13 Glacials Cold Periods 2 of 13 Interglacials Warm Periods 3 of 13 Stratosphere The upper layer of the atmosphere (above 10km) 4 of 13 Milankovitch Cycles The three changes which alter the amount of sunlight reaching the earth 5 of 13 Sunspots Black areas on the surface of the sun 6 of 13 Little Ice Age Started in 1350 when the climate became colder and winters longer 7 of 13 Food Chains A chain of names linked by arrows showing what species feeds on. It always starts with a plant 8 of 13 Megafauna Big animals weighing over 40kg e.g. woolly mammoth 9 of 13 Extinction When a species dies out 10 of 13 Greenhouse Effect The way gases in the atmosphere trap heat from the sun 11 of 13 Thermal Expansion As glaciers and ice sheets melt the sea levels rise and it warms up 12 of 13 Desertification The process of an are turning to desert 13 of 13
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