Revision terminology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| spatial distribution | where things are
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| humidity | water vapour in the air
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| two types of deserts are | hot deserts and cold deserts.
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| windward | on the side of a mountain range closest to the ocean
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| leeward | on the side of a mountain range facing away from the ocean
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| rainshadow | where one side of a mountain receives limited rain
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| diurnal range | the difference between the highest and lowest temperatures in one day
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| insulation | cloud cover, which acts like a blanket to trap heat in the atmosphere
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| runoff | precipitation that flows over the ground
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| infiltration | the movement of water
into the soil from the
surface
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| barren | unproductive, dry land
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| deposition | landforms resulting from weathered and eroded material coming to rest or being deposited
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| stony plains (Gibber plains) | form when
small stones and rocks are left behind after
loose material has blown away
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| Mushroom rock | Sand-blasting occurs when sand is picked up by the wind and thrown against rocks.After many years the rock surfaces begin
to wear away, forming unique shapes
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| wadi | dry water course
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| turbulent | fast moving in a disorderly way
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| Alluvial fans | The streams carry heavy loads of sand and rock fragments and tend to 'spray' their loads out in a fan-like way
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| Playa lakes | When the land surface is very flat and low,
rainwater often collects in holes to form these
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| weathering | the breaking up of rock material into smaller pieces by exposure to the weather
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| shield desert | a ______ desert is a mixture of sand and gravel
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| xerophytic | in plants, able to adapt to long dry periods
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| photosynthesis | the process by which green plants make carbohydrates from
carbon dioxide and water and give off oxygen
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| ephemerals | plants that have short life cycles
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| nocturnal | coming out of burrows to hunt at night, rather than risking the heat and sun of the day.
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| salinity | an increase in the amount of salt in the soil and water supply
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| ecological sustainability | the ability to meet the needs of the present generation without
compromising the ability of future generations to meet their needs
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| desertification | spreading of the desert conditions to areasoutside existing deserts
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| nomad | a person continually moving in search of pasture and water
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| malnutrition | the condition of being poorly nourished
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| ecosystem | the plants and animals that exist in a particular environment, each of which is dependent on the other parts
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| local relief | the difference in height between the highest and lowest points in a particular area
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| hachures | markings on a map that show high areas
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| tectonic plates | large moving areas of the Earth’s surface
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| earthquake | a sudden movement of the Earth’s surface along a fault line
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| fault line | a weak line or crack in the Earth’s surface that can move
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| rift valley | a depression or low area caused by faults forcing
the Earth’s surface downwards
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| block mountain | the layers of rock on one side of a fault line are forced
up forming this type of mountain
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| volcanoes | form around a weak spot i n the earth's surface, magma erupts
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| fold mountains | Earth’s crust is forced up and buckles and bends, forming _____ mountains
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| dormant | not currently active volcanoe but could become so at any time
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| extinct | in terms of volcanoes, unlikely to erupt again
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| active | ____volcanoes across the globe, threatening to erupt
at any time.
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| weathering | the breaking up of rock material into smaller
pieces by exposure to the weather
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| erosion | the process by which the surface of the Earth
is worn away by agents such as wind and water
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| glacier | these form U shaped valleys
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| ecological sustainability | the ability to meet the needs of the present generation without
compromising the ability of future generations to meet their needs
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| rivers | these form V shaped valleys
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