L4 : ROCKS AND MINERALS

Question 1

every mineral has a crystalline structure whose atoms are
arranged in a regular, periodically repeated pattern

Answer 1

composition & structure

Question 2

what are the 3 types of rocks?

Answer 2

igneous rocks, sedimentary rocks, and metamorphic rocks

Question 3

this type of rock is formed from the cooling and hardening of molten magma

Answer 3

igneous rocks

Question 4

these rocks can form by slowly cooling beneath the
surface or more quickly at the surface

Answer 4

igneous rocks

Question 5

what are the 2 types of igneous rocks?

Answer 5

extrusive and intrusive rock

Question 6

what type of igneous rock are rocks that crystallize below the earth’s surface resulting in large crystals as the cooling takes place slowly?

Answer 6

intrusive rock

Question 7

what type of igneous rock that form at erupting volcanoes and oozing pressures?

Answer 7

extrusive rock

Question 8

4 classification of igneous rocks

Answer 8

ultramafic, mafic, felsic and intermediate rocks

Question 9

the overall appearance of rock

Answer 9

texture

Question 10

this type of rock can be formed by the compaction and cementing together of sediments. these rocks can be formed from erosion and weathering of other rocks.

Answer 10

sedimentary rocks

Question 11

3 types of sedimentary rocks

Answer 11

clastic, chemical and organic

Question 12

what type of sedimentary rock is formed from the accumulation of clasts: little pieces of broken rocks and shells?

Answer 12

clastic

Question 13

what type of sedimentary rock is formed when dissolved minerals precipitate from a solution?

Answer 13

chemical

Question 14

what type of sedimentary rock is formed from the accumulation of animal debris?

Answer 14

organic

Question 15

can consist of rock sand minerals, as well as the remains of plants and animals

Answer 15

sediment

Question 16

this type of rock is formed when minerals in an existing rock are changed by heat and pressure below the surface

Answer 16

metamorphic rocks

Question 17

transformation of one rock type into another

Answer 17

metamorphism

Question 18

what are the 2 types of metamorphism?

Answer 18

regional and contact

Question 19

what type of metamorphism due to changes in pressure and temperature over large region of the crust?

Answer 19

regional

Question 20

what type of metamorphism is mainly by heat due to contact with magma

Answer 20

contact

Question 21

2 classification of metamorphic rocks

Answer 21

texture and foliation

Question 22

what classification of metamorphic rocks is any plan arrangement of mineral grains or structural features within the rock?

Answer 22

foliation

Question 23

what classification of metamorphic rocks refers to the size arrangement and grains within the rock?

Answer 23

texture

Question 24

2 types of foliation

Answer 24

foliated and non-foliated

Question 25

what type of foliation is appeared banded or layered, contains crystals?

Answer 25

foliated

Question 26

what type of foliation is made-up of only few minerals?

Answer 26

non-foliated

Question 27

is the study of rocks and the processes that form and transform
them

Answer 27

petrology

Question 28

sometimes rocks from space land on Earth these are called ______

Answer 28

meteorites

Question 29

earth’s moon is made out of _______ rocks

Answer 29

igneous