UNIT 1 The Geosphere Minerals and Rocks
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Assessment
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Macarena Arechavaleta Janini
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Biology
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2nd Grade
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39 plays
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Hard
Student preview
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31 questions
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1.
Multiple Select
Indicate which of the following statements about igneus rocks is false (it can be more than one answer):
Lava results when magma cools at a slow rate
The growth of crystals in different minerals is directly related to the magma’s cooling rate.
Plutonic rocks contain large crystals because, during their formation, the magma cools at a high rate
The solidification of magma is faster in volcanic rocks than in plutonic rocks.
Volcanic rocks do not contain minerals, because the magma cools at a very high rate.
2.
Multiple Choice
Which is the correct definition of a mineral:
A mineral is a homogeneous substance in the solid state. It occurs naturally and is formed through abiotic processes. A mineral has a clearly defined chemical structure and also possesses a characteristic crystalline structure.
A mineral is a homogeneous substance in the solid state. It occurs naturally and is formed through biological processes. A mineral has a clearly defined physical structure and also possesses a characteristic crystalline structure.
A mineral is a heterogeneous substance in the solid and liquid state. It occurs naturally and is formed through abiotic processes. A mineral has a clearly defined geological structure and also possesses a characteristic corpuscular structure.
A mineral is a homogeneous substance in the solid state. It occurs artificially and is formed through biological processes. A mineral has a clearly defined physical structure and also possesses a characteristic crystalline structure.
3.
Multiple Choice
Of the following statements of Earth layers of the geosphere, indicate which is true
The core is the thinnest layer of the geosphere
The mantle is the innermost layer of the geosphere.
During the formation of the planet, the densest substances rose to the surface.
The crust is divided in two main layers, the outer crust and inner crust.
4.
Multiple Choice
These are the main physical properties of a mineral
Cristal shape and size, colour, cleavage, lustre, hardness and streak
Cristal shape and size, colour, plasticity, lustre, hardness and streak
Cristal shape and size, colour, magnetism, lustre, hardness and streak
Cristal shape and size, density, cleavage, lustre, hardness and streak
5.
Multiple Choice
According to the Mohs Scale which of the following statements is false
The diamond is hardest than feldspar
The apatite is hardest than fluorite
The calcite is softest than talc
The quartz is softest than topaz
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