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Q 1/15
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8.6 When rocks are worn away by rain, wind, frost and temperature we call it _____________.
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Q 2/15
Score 0
8.6 When rainwater attacks limestone a ___________ REACTION takes places.
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physical
chemical
15 questions
Q.
8.6 When rocks are worn away by rain, wind, frost and temperature we call it _____________.
1
120 sec
Q.
8.6 When rainwater attacks limestone a ___________ REACTION takes places.
2
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Q.
8.6 When the water melts the larger cracks are left. When this happens many times the rocks are broken up. This is an example of _______________ weathering.
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Q.
8.6 Living organisms can cause rocks to break apart. This is called ___________ weathering.
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Q.
8.7 _________ ______________ are moved by gravity, water and wind.
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120 sec
Q.
8.7 Rivers carry ___________ to the sea.
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120 sec
Q.
8.7 Layers of mud and sand build up at the bottom of the sea and form _________ ___________.
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Q.
8.7 The movement of rock fragments is called _________.
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Q.
8.7 When the fragments rub against each other the edges become smoother. This is called.
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Q.
8.7 Some rocks then settle on the bed of the river because they are too heavy to be carried. This is called ____________.
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120 sec
Q.
8.7 The deposits build up and form __________.
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Q.
8.8 _____ are formed from dead organisms that become part of a rock.
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120 sec
Q.
The remains of living organisms that have changed to rock are called _________.
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120 sec
Q.
8.8 Fossils tell us about life on ___________ millions of years ago.
