Rocks Flashcards

(38 cards)

1
Q

How are igneous rocks classified

A

According to shape and mineral content

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2
Q

Can sedimentary rocks contain living things

A

Yes

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3
Q

What does the shape of an igneous rock depend on

A

How the magma cools

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4
Q

T or f

The rocks cycle goes in the same order every time

A

False

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5
Q

T or f

The properties of a sedimentary rock are the same after metamorphism

A

False

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6
Q

What is a rock that’s formed from sediments

A

Sedimentary rocks

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7
Q

What’s a igneous rock

A

Rocks that are formed from cooled and hardened magma

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8
Q

What is an Extrusive rock?

A

Igneous rocks formed when lava cools on the earths surface

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9
Q

Intrusive?

A

Igneous rocks that are formed when magma cools beneath the earths surface

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10
Q

Magma?

A

Melted rocks beneath the earths surface

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11
Q

What is compaction

A

When pressure pushes the sediments together, squeezing air and water out of the spaces between the fragments

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12
Q

What is a foliated structure

A

Rocks with a foliated structure have viable layers and bands

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13
Q

What is metamorphism

A

The process of change in the structure and constitution of a rock

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14
Q

What kind of a rock is shale

A

Sed

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15
Q

What kind of rock is Quartz

A

Igneous

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16
Q

Diorite?

17
Q

Gabrro

18
Q

Marble

19
Q

Coal?

20
Q

Obsidian?

21
Q

Pumice

22
Q

Gneiss?

23
Q

Sandstone

24
Q

How is coal formed?

A

Formed from ancient plant remains compacted together, made of carbon

25
How is obsidian formed?
Formed when magma cools on the earths surface
26
How is pumice formed
It's formed when magma cools and gas bubbles escape
27
Name and explain the rock cycle-essay
Cooling of magma into igneous rock👉🏼when igneous rocks are exposed to earths surface they break into fragmenta👉🏼weathering and erosion👉🏼compaction and cementation forms sedimentary rocks👉🏼when Sed rocks are exposed to extreme heat and pressure👉🏼metamorphic 👉🏼metamorphic rocks melt into magma and cycle repeats.
28
5 parts of rock cycle
Melting, solidification, weathering and erosion, deposition, compaction and cementation, metamorphism
29
Igneous is the Latin word for what
Fire
30
2 main classifications of igneous rocks
Malfic and felsic
31
Plastic
Flexible
32
Metamorphic rocks?
Are formed when the structure and constitution of existing rocks change due to heat pressure and chemical reactions
33
Sedimentary rocks
Rocks formed from sediments that have been compacted and cemented together
34
Clastic rocks
Sedimentary rocks made of rock particles and fragments deposited by water wind or ice
35
Conglomerate rocks
Is a classic rock composed of round pebble sized rock particles they form where sediments are depositors
36
Definition of weathering
When forces of weather break down rocks into sediments
37
What can rocks teach us about Gods creation
The rock cycle is so detailed and planned out that it can not just be a coincidence, the cycle shows that there must be a overall creator of the earth-God
38
How are igneous rocks formed?
When magma hardens