Uni3 review test Flashcards

1
Q

have a uniform structure or composition

A

Minerals

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2
Q

Coal is made from the remains of dead plants. It is made of carbon and other elements. Is coal a mineral?

A

No, because it is an organic substance.

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3
Q

Beryl is shaped like a six-sided prism. Beryl is part of the _____.

A

hexagonal crystal system

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4
Q

Salt crystals are shaped like cubes. Salt is part of the _____.

A

isometric crystal system

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5
Q

measured using the Mohs scale

A

Hardness

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6
Q

The hardest known mineral is _____.

A

diamond

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7
Q

Gold is opaque and reflective. It has a _____.

A

metallic luster

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8
Q

What are the characteristics of a mineral

A

occur naturally
be solid
have a crystalline structure
form from non-living material (inorganic)
have a homogeneous composition

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9
Q

way light reflects from a mineral

A

luster

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10
Q

way a mineral breaks under stress

A

cleavage

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11
Q

reveals true, natural color of a mineral

A

streak

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12
Q

least reliable property for identification

A

color

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13
Q

Type of Rock

obsidian

A

extrusive igneous

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14
Q

Type of Rock

granite

A

intrusive igneous

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15
Q

Type of Rock

conglomerate

A

clastic sedimentary

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16
Q

Type of Rock

evaporite

A

chemical sedimentary

17
Q

Type of Rock

coal

A

extrusive igneous

18
Q

Type of Rock

marble

A

metamorphic

19
Q

What would be the result of the rock if it cooled down quickly

A

It would be small

20
Q

What rock is found in continental crust

21
Q

Which of the following rocks would most likely be found on the ocean floor?

22
Q

What type of rocks are made from the remains of living organisms

A

Organic sedimentary rocks

23
Q

Which of the following rocks would most likely contain a fossil?

24
Q

The types of clastic sedimentary rock are based on _____.

A

clast size

25
Stalactites and stalagmites are examples of _____.
chemical sedimentary rock
26
what type of rock is formed from heat and pressure
Metamorphic rock
27
What type of metamorphism **caused by pressure from a large-scale geological event**
regional
28
What type of metamorphism **magma heats preexisting rock**
contact
29
What type of metamorphism **extreme pressure deforms preexisting rock**
Dynamic
30
A metamorphic rock forms from directed pressure. The rock is _____.
foliated
31
What type of rocks can a Metamorphic rock can form from
metamorphic rock sedimentary rock igneous rock
32
What type of cycle is is powered by the movement of tectonic plates.
Rock cycle
33
organic material made from plants and animals
biomass
34
an individual particle or grain in sedimentary rock
clast
35
chemical sedimentary rock formed when minerals are left behind by evaporated water
evaporite
36
forming outside, on the surface of Earth's crust
extrusive
37
having a uniform structure or composition
homogeneous
38
weathered rock, bone fragments, soil, and other particles carried by wind, water, and ice
sediment