igneous rocks

Question 1

how are they formed

Answer 1

by cooled magma

Question 2

can any rock become an igneous if melted by lava

Answer 2

yes

Question 3

what is mama that has reached the earth surface called

Answer 3

lava

Question 4

texture: pyroclastic(formed by exposion)

Answer 4

-fastest cooling magma is the ash, no crystals

Question 5

texture: froth

Answer 5

next fastest cooling, cooled by water, no crystals, obsidian is froth

Question 6

texture:fine-grained

Answer 6

forms non-visible crystals called extrusive, uniform, outside the earth.

Question 7

texture:intrusive rocks

Answer 7

largest crystals, slowest cooling formed inside the earth.

the longer it takes to cool the bigger crystals, cool slowly in earth heat cant escape

Question 8

color: felsic

Answer 8

low in metal which makes it light in color

Question 9

color: mafic

Answer 9

dark in color higher amounts of metal, specific gravity more than 3.0

Question 10

color:intermafic

Answer 10

in the middle of felsic and mafic

Question 11

color:ultramafic

Answer 11

very high in metal, extremely dark