geology Flashcards

1
Q

igneous

A

Igneous is rocks that come from lava or magma

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

magma

A

Magma is hot liquid that is under the ground

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

lava

A

Lava is liquid that has come out of the ground

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

extrusive

A

Extrusive is when rocks have exited the volcano

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

intrusive

A

Intrusive means when rock is formed inside the volcano

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

lithosphere

A

Lithosphere is the layer in which we stand on

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Asthenosphere

A

Asthenosphere is the second layer of the earth

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

crystals

A

Crystals is made underground in the volacno

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

limestone

A

limestone are sedimentary rock that is formed from deposits of remains of sea organisms

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

coal

A

coal is a sedimentary rock formed from dead plants and animals that were buried before rotting completely

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

sandstone

A

A sedimentary rock with medium-sized grains

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

stone age

A

stone age is the first period of prehistoric human culture used by stones

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

alloy

A

alloy is a metal by combining two or more metallic elements

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

flint

A

flint is a hard grey rock consisting a nearly pure silica

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

percussion flaking

A

the shaping of a stone implement by striking or chipping off flakes with another stone

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

siltstone

A

a sedimentary rock with a particle size between that of sandstone and mudstone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

mudstone

A

a fine-graded sedimentary rock that doesn’t have layering

18
Q

shale

A

a fine-graded sedimentary rock formed in layers by the consolidation of clay

19
Q

glaciers

A

bodies of ice called glaciers

20
Q

moraines

A

deposit left by movement of a glacier

21
Q

floodplains

A

flat, open land beside a river where sediments are deposited during floods

22
Q

erosion

A

the wearing away and the removal of soil and rock by natural elements

23
Q

sedimentary rock

A

rocks that are formed from the particles of sediments

24
Q

rock salt

A

a sedimentary deposit formed when a salt lake or seabed dried up

25
Q

conglomerate

A

sedimentary rock containing large particles of various sizes cemented together

26
Q

metamorphic rocks

A

rocks formed from another rock that is under heat or pressure

27
Q

metamorphsim

A

the process that changes rocks by extreme pressure or heat

28
Q

mineral ores

A

rocks mined to obtain a metal or other chemical within them

29
Q

mining

A

extraction of natural resources from the earth

30
Q

mineral

A

u

31
Q

overbuden

A

waste rock removed from below the topsoil

32
Q

open-cut mining

A

mining that finds out soil and rocks on the surface of the land

33
Q

underground miing

A

mining that uses shafts and tunnels to remove rock from deep below the surfce

34
Q

fossils

A

any remains of an animal, evidence of life in the past

35
Q

folding

A

the buckling of rocks. It is caused when rocks are under pressure from both sides.

36
Q

paleontologists

A

a scientist who studies fossils

37
Q

relative age

A

the age of a rock compared with the age of another

rock

38
Q

trace fossils

A

fossils that provide evidence, such as footprints

39
Q

extinct

A

describes volcanoes that are no longer active. Extinct volcanoes have not erupted for thousands of years

40
Q

Carnivores

A

animals that eat other animals

41
Q

Scavengers

A

animals that eat plants and animal material

42
Q

Mould

A

a cavity in a rock that shows the shape of the hard parts of an organism