chapter 2.2

Question 1

rock formed from the cooling and solidification of magma beneath the earth’s surface

Answer 1

intrusive igneous rock

Question 2

a rock that forms as a result of volcanic activity at or near the earth’s surface

Answer 2

extrusive igneous rock

Question 3

hot fluid or semisolid material below or within the earth’s crust from which lava and other igneous rock is formed by cooling.

Answer 3

magma

Question 4

light-colored rocks that are rich in aluminum,potassium,silicon,and sodium.

Answer 4

felsic rock

Question 5

Darked-color rocks are that rich in calcium,iron,and magnesium.

Answer 5

mafic rock

Question 6

to push

Answer 6

intrudes

Question 7

Large irregular-shaped instrusive bodies

Answer 7

plutons

Question 8

the largest ingeous intrusive

Answer 8

batholiths

Question 9

intrusive bodies that are exposed over smaller area then batholths

Answer 9

stocks

Question 10

sheetlike intrusions that oriented parallel to previous rock units

Answer 10

sill

Question 11

sheetlike intrusions that cut across previous rock unites

Answer 11

dikes

Question 12

when lava erupts from a volcaneo

Answer 12

lava flow

Question 13

lava erupts and flows over long cracks

Answer 13

fissures

Question 14

when lava covers a large area

Answer 14

lava plateau