Rocks

Question 1

hot fluid within the earth crust, in which lava forms from cooling.

Answer 1

magma

Question 2

geometrically regular form with symmetrically arranged plane faces.

Answer 2

crystals

Question 3

elements found uncombined in the earths crust

Answer 3

native elements

Question 4

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

Answer 4

hardness

Question 5

appearance of an mineral caused by the way it reflects light. it can appear glossy,waxy.dull,peraly ect

Answer 5

lustre

Question 6

material broken down by weathering and erosion that is moved by wind or water .

Answer 6

sediments

Question 7

the outmost layer of the earth, includes the crust and uppermost part of the mantle.

Answer 7

lithoshere

Question 8

colour of a mineral as fine powder, found by rubbing

Answer 8

streak

Question 9

all rocks consists these

Answer 9

mineral

Question 10

the process of eroding or being eroded by wind, water, or other natural agents.

Answer 10

Erosion

Question 11

rocks composed of broken pieces of older rocks.

Answer 11

clastic

Question 12

when rocks have been evaporated by water and dissoved minerals are left behind.

Answer 12

Chemical

Question 13

when rocks that are made from dead thing. Dead (once alive).

Answer 13

organic

Question 14

the remains or impression of a plant or animal embedded in rock and preserved .

Answer 14

fossils

Question 15

rocks that form from the cooling of lava or magma as it is thrown through the air from a volcanic eruption

Answer 15

igneous rocks

Question 16

in which hot magma from inside the Earth crust flows out onto the surface as lava to form rock

Answer 16

extrusive rocks

Question 17

a rock that is light and has many holes due to being solidified in the air. it also that light it can float on water

Answer 17

pumice

Question 18

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

Answer 18

scoria

Question 19

a dark-colored, fine-grained, igneous rock it tends to be sharp and have holes.

Answer 19

basalt

Question 20

when the rock solidified in the crust.

Answer 20

intrusive rocks

Question 21

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

Answer 21

obsidian

Question 22

igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone.

Answer 22

Granite

Question 23

the process that changes rocks by extreme pressure or heat (or both)

Answer 23

metamorphism

Question 24

rock formed from another rock that has been under great heat or pressure (or both)

Answer 24

metamorphic rocks

Question 25

a metamorphic rock formed as a result of great pressure on limestone

Answer 25

marble

Question 26

a coarse-grained metamorphic rock formed mainly as a result of great pressure on granite

Answer 26

gneiss

Question 27

rocks mined to obtain a metal or other chemical within them

Answer 27

mineral ores

Question 28

extraction of natural resources from the Earth

Answer 28

mining

Question 29

study of the possible effects of a planned project on the environment

Answer 29

environmental impact statement (EIS)

Question 30

restored to its previous condition

Answer 30

rehabilitated

Question 31

any remains, impression, or trace of an animal or plant of a former geological age; evidence of life in the past

Answer 31

Fossils

Question 32

fossil any remains, impression, or trace of an animal or plant of a former geological age; evidence of life in the past

Answer 32

folding

Question 33

a scientist who studies fossils

Answer 33

palaeontologists

Question 34

the age of a rock compared with the age of another rock

Answer 34

relative age

Question 35

animal that eats other animals

Answer 35

carnivores

Question 36

animals that eat dead plant and animal material

Answer 36

scavengers

Question 37

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

Answer 37

mould

Question 38

something that is no longer alive but was ones alive

Answer 38

extinct

Question 39

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

Answer 39

trace fossils

Question 40

describes an animal whose body temperature is determined by its environment

Answer 40

ectothermic

Question 41

extraction of natural resources from the Earth

Answer 41

mining

Question 42

restored to its previous condition

Answer 42

rehabilitated

Question 43

waste rock removed from below the topsoil. This rock is replaced when the area is restored.

Answer 43

overburden

Question 44

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

Answer 44

open-cut mining

Question 45

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

Answer 45

underground