Definitions for Restless Earth

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  • Created by: Abi
  • Created on: 10-04-13 15:07
Uppermost section of the earth including crust and mantle.
Lithosphere
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Caused by heat from the core and moves tectonic plates.
Convection current
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Large, broken pieces of the Earth's crust that are constantly moving.
Tectonic plates
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How heat is produced in the Earth's core.
Radioactive decay
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Part of the Earth's mantle that is semi-molten and lies under the tectonic plates.
Asthenosphere
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Name of the type of heat produced by the Earth's core.
Geothermal
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The denser type of crust.
Oceanic crust
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The thicker, older type of crust.
Continental crust
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Type of rock that mostly makes up continental crust.
Granite
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Type of rock that mostly makes up oceanic crust.
Basalt
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Highly magnetised region around the Earth that deflects harmful radiation.
Magnetosphere
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Where volcanoes occur away from plate boundaries.
Hot spots
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The transformation of a denser tectonic plate into magma as it falls under a less dense plate.
Subduction
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Type of lava from stratovolcanoes and produced when oceanic plates are subducted.
Andesite lava
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Normally moving slowly but when mixed with water move very quickly.
lava flows
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A type of volcano made of layers of ash and magma.
Stratovolcano
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Deadly clouds of hot ash and gas moving at 200km/h.
Pyroclastic flows
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Volcanic mudslide that occurs when ash mixes with snow or rain.
Lahar
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Example of a conservative plate boundary.
San Andreas Fault
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Example of a collision zone.
Himalayas
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The type of scale the richter scale is (increases by magnitude of 10)
Logarithmic
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Equipment used to detect swelling in the side of a volcano.
Tiltmeter
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Where the earthquakes starts.
Focus
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The point on the Earth's crust where vibrations are first felt.
Epicentre
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Hangs in the roof of a building to reduce building sway.
Damper
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Method of stopping floors in a building collapsing.
Cross bracing
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Active volcano in the Democratic Republic of Congo.
Mount Nyiragongo
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Where is the volcano in Congo located.
African Rift Valley
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How many people died from the eruption in Congo.
One hundred
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What vaccinations were given by the WHO?
Measles
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Name of the lake in Cameroon which released trapped gas after an earthquake.
Lake Nyos
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Earthquake in Japan which was dealt with badly.
Kobe
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Earthquake that was dealt with well in Japan.
Nigata
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Name of the active volcano in Japan in a bay.
Sakurajima
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Place affected by the earthquake in rural China.
Sichaun
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How many people were made homeless in China?
Five million
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Country that sent China 8,000 tents.
Finland
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Other cards in this set

Card 2

Front

Caused by heat from the core and moves tectonic plates.

Back

Convection current

Card 3

Front

Large, broken pieces of the Earth's crust that are constantly moving.

Back

Preview of the front of card 3

Card 4

Front

How heat is produced in the Earth's core.

Back

Preview of the front of card 4

Card 5

Front

Part of the Earth's mantle that is semi-molten and lies under the tectonic plates.

Back

Preview of the front of card 5
View more cards

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