Igneous Rocks

Question 1

Lava flowing from volcanoes in Hawaii is basaltic magma.

Revolt · Accepted Answer

T

Question 2

Which of the following is an example of extrusive rock that has cooled too quickly for grains to form?

Revolt · Accepted Answer

Volcanic glass

Question 3

Granitic magma is very silica-rich.

Revolt · Accepted Answer

T

Question 4

Please select the word from the list that best fits the definition

Revolt · Accepted Answer

extrusive

Question 5

Magma that cools below Earth’s surface forms ____ rock.

Revolt · Accepted Answer

intrusive igneous

Question 6

Please select the word from the list that best fits the definition

Revolt · Accepted Answer

intrusive

Question 7

Please select the word from the list that best fits the definition rocks formed from molten material

Revolt · Accepted Answer

igneous rocks

Question 8

The crystals that form in slowly cooling magma are generally ____.

Revolt · Accepted Answer

large

Question 9

Light-colored rocks with lower densities form from basaltic magma.

Revolt · Accepted Answer

F

Question 10

Andesitic rocks have mineral compositions between those of ____ and basaltic rocks.

Revolt · Accepted Answer

granitic

Igneous Rocks Answers