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Minerals and rocks
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What shape does the pyrite have? Is it regular or irregular?
Pyrite has a regular shape.
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What property is it? It's the form that minerals have in nature.
Shape.
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Is talc hard or soft?
Talc is soft.
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Magma rises to the surface cools and solidifies, forming __________ .
igneous rocks.
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How is the luster of this mineral? Is it shiny or matte?
This mineral is shiny.
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What property is it? It's the way the surface reflects light.
Luster.
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What shape does the coal have? Is it regular or irregular?
The coal has an irregular shape.
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__________ are a solid and inorganic substance that forms in nature.
Minerals
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According to the rock cycle, order these rocks: a) Sedimentary rocks b) Igneous rocks c) Metamorphic rocks
b) Igneous rocks. a) Sedimentary rocks. c) Metamorphic rocks.
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The erosion of other rocks forms _____________.
sedimentary rocks.
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What are the four mineral properties that we have learned?
The four properties are: hardness, luster, colour and shape.
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How many types of rocks do we know?
We know three types.
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How is the luster of this mineral? Is it shiny or matte?
This mineral (bauxite) is matte.
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___________ are a group of minerals.
Rocks
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Is the diamond hard or soft?
The diamond is hard.
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What property is it? It's the resistance to being scratched.
Hardness.
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Some minerals have many _______ and others have a very distinctive one.
colours
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The heat and pressure of rocks on other rocks forms ___________.
metamorphic rocks.
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