Rocks

Question 1

What rocks are made

Answer 1

Minerals

Question 2

All rocks are made in the Earth’s ______

Answer 2

Lithosphere

Question 3

A super hot liquid mixture just below the earths surface \

Answer 3

Magma

Question 4

a broken down material caused by erosion and weathering

Answer 4

Sediments

Question 5

elements found unmixed in Earths crust

Answer 5

Native Elements

Question 6

substances made up of atoms and molecules geometrically shaped.

Answer 6

Crystals

Question 7

the appearance of a mineral caused by the way it reflects light.

Answer 7

Lustre

Question 8

a colour of a mineral as a powder

Answer 8

Streak

Question 9

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

Answer 9

hardness

Question 10

wind, water, or other natural ocurrances that break rocks

Answer 10

Erosion

Question 11

Rocks made from movement

Answer 11

Clastic rocks

Question 12

A sedimentary rock mostly made of material formed by precipitation

Answer 12

Chemical rocks

Question 13

Rocks made from dead things such as animals and plants

Answer 13

Organic rocks

Question 14

The remains of something now dead

Answer 14

Fossils

Question 15

Rocks that come from solidified Magma or lava

Answer 15

igneous rocks

Question 16

An Igneous rock that forms when lava cools above the Earth’s surface

Answer 16

extrusive rocks

Question 17

Pumice often floats on water as it is very light and full of holes that once contained gas

Answer 17

pumice

Question 18

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

Answer 18

scoria

Question 19

a material or substance that easily scratches another

Answer 19

abrasive

Question 20

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

Answer 20

basalt

Question 21

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

Answer 21

obsidian

Question 22

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

Answer 22

intrusive rocks

Question 23

intrusive rock mass that measures more than 100 kilometres across

Answer 23

batholiths

Question 24

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

Answer 24

granite

Question 25

rocks formed from sediments deposited by water, wind or ice

Answer 25

sedimentary rocks

Question 26

the wearing away and removal of soil and rock by natural elements, such as wind, waves, rivers and ice, and by human activity

Answer 26

erosion

Question 27

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

Answer 27

floodplains

Question 28

large bodies of ice that move down slopes and push boulders, rocks and gravel in front of them

Answer 28

glaciers

Question 29

what is left by movement of a glacier

Answer 29

moraines

Question 30

a sedimentary rock with medium-sized grains

Answer 30

sandstone

Question 31

a fine-grained, sedimentary rock without layering

Answer 31

mudstone

Question 32

a sedimentary rock formed in layers by the consolidation of clay

Answer 32

shale

Question 33

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

Answer 33

siltstone

Question 34

sedimentary rock containing large particles of various sizes cemented together

Answer 34

conglomerate

Question 35

a sedimentary rock formed from the remains of sea organisms

Answer 35

limestone

Question 36

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

Answer 36

coal

Question 37

a rock formed from salt.

Answer 37

rock salt

Question 38

the process that changes rocks by pressure or heat

Answer 38

metamorphism

Question 39

a rock formed from another rock that has been under heat or pressure

Answer 39

metamorphic rocks

Question 40

a metamorphic rock formed as a result of pressure on granite

Answer 40

gneiss

Question 41

a metamorphic rock made as a result of pressure on limestone

Answer 41

marble

Question 42

A cycle where rocks change from one type to another

Answer 42

Rock Cycle

Question 43

rocks mined to get a metal or other chemical within the rock

Answer 43

mineral ores

Question 44

getting natural resources out of the earth

Answer 44

mining

Question 45

Study of the effects of a project on the environment

Answer 45

environmental impact statement (EIS)

Question 46

restored to its previous condition

Answer 46

rehabilitated

Question 47

wasted rock removed from below soil

Answer 47

overburden

Question 48

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

Answer 48

open-cut mining

Question 49

mining below the surface

Answer 49

underground mining

Question 50

the time beginning about two million years ago during which early humans made implements of stone

Answer 50

Stone Age

Question 51

a mixture of a metal with a non-metal or another metal

Answer 51

alloy

Question 52

a fine-grained sedimentary rock which leaves a very sharp edge when broken

Answer 52

flint

Question 53

a process which tool stones such as flint or obsidian were struck with harder stones

Answer 53

percussion flaking

Question 54

a scientist who studies fossils

Answer 54

palaeontologists

Question 55

the age of one rock to the other

Answer 55

relative age

Question 56

An animal that eats another animal

Answer 56

carnivores

Question 57

animals that eat dead plant and animal material

Answer 57

scavengers

Question 58

types of fungi found growing on the surface of foods

Answer 58

mould

Question 59

fossils that provide evidence, such as footprints that was present when the rock was formed

Answer 59

trace fossils

Question 60

something that is no longer living or alive

Answer 60

extinct