Geology
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atmosphere
mixture of gases surrounding the Earth.
biological weathering
breaking/wearing down rocks by living things
carbon cycle
shows stores of carbon, summarises how carbon enters and leaves this.
carbon store
where carbon and its compounds remain for a long time.
cementation
the ‘gluing together’ of sediments by different chemicals to make sedimentary rocks.
chemical weathering
breaking/wearing down of rocks by chemicals
climate change
long-term change in weather patterns
combustion
burning action which reacts quickly with oxygen
compaction
process of squashing sediments together to make new rocks.
crust
the thinnest, rocky outer layer of the earth
deforestation
cutting/burning of trees in forests
deposition
setting of sediments that have moved away from their original rock
durable
property of material (difficult to damage)
erosion
The breaking of rock into sediments and their movement away from their original rock
freeze-thaw
weathering of rocks that happen from water repeatedly freezing/thawing
global warming
gradual increase in the earths temperature
greenhouse effect
absorbing of energy by gases in the atmosphere
greenhouse gas
gas that contributes to climate change
igneous
rock made when liquid rock cools and freezes
inner core
solid iron and nickel
lava
liquid rock that is above the earths surface
magma
liquid rock that is below the earths surface