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10
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What type of plate boundaries are responsible for the San Andreas Fault?
Transform boundaries
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10
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What type of plate boundaries are responsible for these folded rocks in the Pyrinees?
Convergent boundaries
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10
×
True or false? Gravity causes water to flow from higher to lower ground.
True
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banana
Go to last place!
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rocket
Go to first place!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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baam
Lose 25 points!
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shark
Other team loses 5 points!
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shark
Other team loses 25 points!
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thief
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25
15
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What caused these shapes?
Limestone was weathered by rainwater containing dissolved CO2 (this process is sometimes called carbonation and is a type of chemical weathering).
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15
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What is happening in this rock?
Even the tiniest bacteria, algae and lichens produce chemicals that help break down the rock on which they live. This is Biological Weathering.
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boom
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seesaw
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gift
Win 10 points!
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banana
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10
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What type of weathering is shown in the picture? a) Mechanical; b) Biological; c) Chemical; d) Magical
b) Biological (plant roots can enter a small crack in a rock. As the root grows larger the crack gets larger. This weakens the structure of the rock).
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10
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Chemical weathering is most likely to take place in environments that are: a) cold; b) wet; c) dry.
b) wet (These chemical processes need water, and occur more rapidly at higher temperature, so warm, damp climates are best.))
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10
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What type of weathering is shown in the picture? a) Mechanical; b) Biological; c) Chemical; d) Magical
a) Mechanical (water soaks into small fissures and cracks, expands when it freezes in the winter, and physically breaks the rock apart)
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10
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Water has the power to split rocks because when it freezes, it: a) contracts; b) evaporates; c) expands
c) expands
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15
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How are sand dunes formed?
Sand dunes form when wind-blow sand starts to pile up.
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15
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What is eroding this land? a) Wind; b) Rain; c) Glaciers; d) Rivers.
b) Rain (Rain-splash erosion: rain splashing down on the land and dislodging weathered material such as pebbles or soil).
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15
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Was this valley eroded by a river ir by a glacier?
A U-shaped valley is an example of a glacial landform, carved by slowly moving glaciers.
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eraser
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gift
Win 10 points!
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shark
Other team loses 10 points!
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lifesaver
Give 25 points!
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