How Can Rocks Be Classified? Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is a rock?

A

A rock is a natural solid made of one or more minerals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How rocks are classified?

A

By how they form.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 3 types of rocks?

A
  1. Igneous
  2. Sedimentary
  3. Metamorphic
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How the igneous rock form?

A

When hot magma cools.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name to ways a igneous rock can be formed?

A
  1. Deep inside where magma slowly cools.

2. When a volcano erupts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How do the rocks give clues of where it formed?

A
  1. If the rocks slowly cools beneath Earth, it will have large cristals that can be seen with unaided aye.
  2. If the rocks cools on the surface it will cool slowly, this means their crystals will be very small and will be only seen with a magnifyning glass or a microscope.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Name examples of igneous rocks who form beneath the earth.

A

Gabbro and Granite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name examples of igneous rocks who form on the Earth’s surface.

A

Basalt and Rhyolite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a sedimentary rock?

A

It forms when sediment get cemented together under pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tell the process of how the sedimentary rocks form.

A
  1. The sediment on a river.
  2. More sediment falls on the river, this adds pressure
  3. Over time the sediment get cemented together.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Tell examples of sedimentary rocks?

A

Shale, sandstone and conglomerate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How are they distinguished?

A

By they size of sediment they contain.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Do the sedimentary rocks contain fossils?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 2 ways metamorphic rocks form?

A
  1. Super hot fluids touches the rock

2. High tempareture and high pressure or viceversa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where does the word metamorphic come from?

A

From a greek word that means “to change form”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tell examples of metamorphic rocks.

A
  1. Marble

2. Quartzite

17
Q

Why most of the rocks you find are igneous or sedimentary

A

Because metamorphic rocks are made on deep inside earth.

18
Q

What rock is found on mountain range?

A

Metamorphic

19
Q

Tell the Rock Cycle.

A
  1. PAY ATTENTION
    2.STUDY PAGE 435
  2. IM LAZY THATS WHY I DIDNT PUT ANYTHING
    GOOOD LUCK