ELS (rock form)

Question 1

begin as magma

Answer 1

igneous rock

Question 2

when rock is heated, pressure is released, rock changes composition.

Answer 2

magma can form

Question 3

magma can form

Answer 3

when rock is heated, pressure is released, rock changes composition.

Question 4

a mixture of any minerals

Answer 4

magma

Question 5

magma freezes between

Answer 5

700 c and 1,250 c

Question 6

light colored rocks that are rich in elements such as aluminum, potassium, silicon and sodium

Answer 6

felsic

Question 7

dark colored rocks that are rich in calcium, iron, and magnisium, poor in silicon

Answer 7

mafic

Question 8

mafic

Answer 8

poor in silicon

Question 9

takes longer to cool, giving mineral crystals more time to grow

Answer 9

coarse-grained

Question 10

cools quickly

Answer 10

fine-grained

Question 11

gabbro, basalt

Answer 11

mafic

Question 12

granite, rhyolite

Answer 12

felsic

Question 13

magma pushes into surroundings rock below the earth’s surface

Answer 13

intrusive rocksf

Question 14

forms when magma erupts onto earths sruface, cools quickly or no crystals formed

Answer 14

extrusive rocks

Question 15

high pressure and temeperature turn the solid into liquid

Answer 15

igneous rock

Question 16

can occur in earth’s mantle

Answer 16

igneous rock

Question 17

can form from the cooling lava

Answer 17

igneous rock

Question 18

some types are used in building and monuments

Answer 18

igneous rock

Question 19

limestone, coal, shale, fossils

Answer 19

sedimentary rocks

Question 20

is formed by erosion

Answer 20

sedimentary rocks

Question 21

are moved from one place to another

Answer 21

sedimentary rocks

Question 22

no heat and pressured involve

Answer 22

sedimentary rocks

Question 23

strata

Answer 23

layers of rocks

Question 24

layers of rocks

Answer 24

strata

Question 25

made of fragments of rock cemented together with calcite or quartz

Answer 25

clastic

Question 26

minerals crystallize out of solution to become rock

Answer 26

non clastic (chemical sedimentary)

Question 27

fossils, layers, settling particles

Answer 27

sedimentary rocks

Question 28

igneous rock + pressure and heat =

Answer 28

metamorphic rock

Question 29

sedimentary rock + pressure and heat =

Answer 29

metamorphic rock

Question 30

often called thermal metamorphism, happens when rock is heated up by an intrusion of hot magma

Answer 30

contact metamorphism

Question 31

no discernible source of heat, (no nearby magma chamber)

Answer 31

regional metamorphism

Question 32

contain aligned grains of flat minerals

Answer 32

foliated

Question 33

minerals grain are not arranged in plains or brands

Answer 33

non foliated

Question 34

3 mins break

Answer 34

yey