Download - What is a “mineral streak?”
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Mineral Properties
Rock Cycle
Sedimentary
RocksIgneous
RocksMetamorphic
Rocks
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What is a “mineral streak?”
100
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Streak = color of the powdered form.
Or…
Streak = color of mineral dust.
100
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What mineral property does the Mohs scale
describe?
200
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Mohs Scale = Relative Hardness
200
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Give an example of a hardness value for a
mineral that scratches a knife blade (5.1) but leaves a streak on a streak plate
(6.5)
300
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(5.1) < Mineral < (6.5)
Knife < Mineral < Streak Plate
300
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What does the nucleus of an atom include?
400
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Nucleus includes P+ and No
400
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What are the four processes of mineral
formation?
500
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1.Crystallization2.Precipitation
3.Changes (in temp & pressure)
4.Hydrothermal Solutions
5.“crazy people chase hippos”
500
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100
What is a rock?
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A rock is a natural, solid mass of more than one
mineral.
100
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How are rocks classified?
200
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Rocks are classified by how they were
formed.
200
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Which type of rock process is powered by energy from the sun?
300
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Formation of sedimentary rocks.
Wind, pressure, water cycle…
300
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A rock that was formed very slowly will have
______ crystals.
400
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Slow = Large Crystals
400
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How are weathering, sediment, erosion, and
deposition related?
500
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Rocks are weathered, turn into sediment, which is eroded (moved), and deposited somewhere else.
500
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Define “weathering”
200
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Weathering =breaking rocks into
sediment.
200
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“Cementation” is the process in which
sediment becomes _______ together.
300
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Cementation:
“Cemented”
“Stuck”
“Glued”300
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Describe a “biochemical”
sedimentary rock.
400
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Biochemical Sedimentary rocks are
made of “smushed” dead organisms.
400
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Describe “clastic” sedimentary rocks.
Daily Double!
1000
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“clastic” sedimentary rocks
Pebbles and sand that are compacted and cemented together.
1000
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100
How are igneous rocks formed?
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100
Cooling magma or lava.
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200
What type of igneous rock is formed from
cooling lava?
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200
Intrusive Igneous rocks.
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Why do porphyritic rocks have different
crystal sizes?
600
Daily Double!
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Some crystals form fast and others form slow.
600
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What is the difference between Constructive & Deconstructive forces?
400
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Constructive = + add Earth
Deconstructive = - subtract Earth
400
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Give three examples of renewable resources.
500
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Answers will vary.
1. Paper2. Apples3. Cotton
Replenish supply quickly500
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If a metamorphic rock melts and then cools it will become a ______
rock.100
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Igneous rock.
100
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Metamorphic rocks are formed from
sedimentary rocks that have been exposed to extreme ______ and
______.200
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Heat
Pressure
200
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What are the 2 types of metamorphism?
300
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Contact metamorphism
Regional metamorphism
300
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Nonfoliated metamorphic rocks do
not have _______.
500
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Nonfoliated do not have bands, stripes, or layers.
500
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Name five mineral properties that we have discussed in
class.
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1. Color2. Streak3. Density4. Relative Hardness5. Luster6. Texture
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What is “sediment?"
100
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Sediment = broken pieces of rocks
100
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Heat from nearby Magma.
400
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Where does the heat from contact metamorphism come from?
400