9.2 Flashcards

1
Q

rocks are made out of minerals

A

minerals

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

the out most layer of the earth

A

lithosphere

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

a super hot liquid found in the middle of the earth

A

magma

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

material broken down by wind and water

A

sediments

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

elements found in the earths crust

A

native elements

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

geometrically shaped substance made up of atoms

A

crystals

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

appearance of a mineral caused by the way it reflects

A

lustre

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

colors of a mineral as a fine powder

A

streak

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

a measure of how difficult it is to scratch the surface of a solid mineral

A

hardness

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

water that desoves rocks

A

Erovsion

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

rocks made from moverment

A

Clastic

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

chmical that have been moved and fromed in to cristals

A

Chemical

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

formed by dead things

A

Organic

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

are form by something that was liveing and now it is not

A

Fossils

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

rocks that from from the cooling of lava

A

ignous rocks

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

rocks that coll arbarve the eaths surface

A

exstrustie rocks

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

a pale rock that forms when frothy lava cools in the air

A

pumice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

a dark, igneous rock formed from gassy lava that cools quickly

A

scoria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

a property of a material or substance that easily scratches another

A

abrasive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

a dark, igneous rock with small crystals formed by fast cooling of hot lava.

21
Q

a black, glassy rock that breaks into pieces with smooth shell-like surfaces

22
Q

igneous rock that forms when magma cools below the Earth’s surface

A

instutive rocks

23
Q

intrusive rock mass that measures more than 100 kilometres across

A

batholights

24
Q

a hard, igneous rock with different-coloured crystals large enough to see.

25
large bodies of ice that move down slopes and push boulders, rocks and gravel in front of them
glaciers
26
deposit left by movement of a glacier
moraines
27
a sedimentary rock with medium-sized grains. The sand grains are cemented together by silica, lime or other salts.
sandstone
28
a fine-grained, sedimentary rock without layering
mudstone
29
a fine-grained sedimentary rock formed in layers by the consolidation of clay
shale
30
a sedimentary rock with a particle size between that of sandstone and mudstone
siltstone
31
sedimentary rock containing large particles of various sizes cemented together
conglomerate
32
a rock fromed by oceans dead organs
limestime
33
a rock formed by dead plants and bodys bered under ground
coal
34
a clcal that never ends
rock cyical
35
rocks mined to obtain a metal or other chemical within them
mineral ores
36
extraction of natural resources from the Earth
mining
37
environmental
environmental impact statement
38
environmental impact statement
study of the possible effects of a planned project on the environment
39
rehabilitated
restored to its previous condition
40
overburden
waste rock removed from below the topsoil. This rock is replaced when the area is restored.
41
open-cut mining
mining that scours out soil and rocks on the surface of the land
42
folding
the buckling of rocks. It is caused when rocks are under pressure from both sides.
43
palaeontologists
a scientist who studies fossils
44
relative age
the age of a rock compared with the age of another rock
45
carnivores
animal that eats other animals
46
scavengers
animals that eat dead plant and animal material
47
mould
cavity in a rock that shows the shape of the hard parts of an organism; types of fungi found growing on the surface of foods
48
trace fossils
fossils that provide evidence, such as footprints, that an organism was present when the rock was formed
49
extinct
describes volcanoes that are no longer active. Extinct volcanoes have not erupted for thousands of years and show no sign of future eruption.