The three types of rock

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What are the three types of rock?
Sedimentary, igneous, metamorphic
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Give an example of a Sedimentary rock
Limestone or chalk
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Give an example of a metamorphic rock
Marble
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Give an example of a igneous rock
Granite
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How is Sedimentary rocks formed?
Sedimentary rocks are formed by layers of sediments (pieces of gravel and plant waste)
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What is it called when things like chalk or limestone can be broken up into tiny pieces by wind, rain or waves?
Erosion
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How are metamorphic rocks formed?
Metamorphic rocks are formed by the action of heat and pressure on the other rocks over a long time (basically squeezed)
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How is marble formed?
Marble is formed by limestone or chalk being heated at extremely high temperatures causing the limestone or chalk to melt forming marble.
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How are igneous rocks formed?
igneous rocks are formed when magma push's up into the earths surface, it then cools down and turns into a solid- this is igneous
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igneous rocks are made of crystal's, The size of the crystal depends on......
How quickly to magma has cooled down.
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Other cards in this set

Card 2

Front

Give an example of a Sedimentary rock

Back

Limestone or chalk

Card 3

Front

Give an example of a metamorphic rock

Back

Preview of the front of card 3

Card 4

Front

Give an example of a igneous rock

Back

Preview of the front of card 4

Card 5

Front

How is Sedimentary rocks formed?

Back

Preview of the front of card 5
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