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Rocks, Rivers etc.

Deposition When a river drops its load because it doesn't have enough energy.
Weathering The breaking up of rocks without removing the waste.
Erosion The breaking up of rocks and the removal of the waste.
Lava The molten rock which pours out over the crater of a volcano.
Crater The hole at the top of a volcanic cone which the lava pours out of.
Igneous Rocks Rocks that are formed due to the cooling of magma.
Sedimentary Rocks Rocks that are formed when layers of a certain material are compressed together and solidified.
Metamorphic Rocks Rocks that were originally a different rock but changed due to great heat and pressure.
Scree The small rocks found at the foot of a mountain that are formed because of freeze thaw action.
Freeze Thaw Action When rain falls into a crack on a mountain it may freeze overnight therefore putting pressure on the rock, after the process is repeated again and again the rock may break off and break up into small rocks called scree.
Carbonic Acid Carbonic acid is formed when rain mixes with carbon dioxide
Crust The Earth's outer skin/layer which is made of solid rock.
Mantle The layer of the Earth which consists of molten rock, it can reach up to 4000 degrees in temperature.
Crust The center of the Earth, it is made of iron and nickel which can reach up to 5000 degrees in temperature.
Plates These make up the Earth's crust.
Richter Scale This is used to measure the strength of an earthquake.
Epicentre This is where an earthquake is strongest.
Tremors This is the shaking and vibrating of an earthquake.
Aftershocks These may occur after an earthquake but are never as strong as the earthquake itself.
Created by: Eva Melligan
 

 



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