Quiz 6

Marks: 10

Which kind of plate boundary is NOT associated with volcanism?

Choose one answer.

	a. Transform
	b. Convergent
	c. Divergent

Correct

Marks for this submission: 10/10.

Question 2

Marks: 10

Felsic Rocks contain approximately _____ silica.

Choose one answer.

	a. 30%
	b. 40%
	c. 50%
	d. 70%

Correct

Marks for this submission: 10/10.

Question 3

Marks: 10

Volcanoes occur at which type of plate boundaries.

Choose one answer.

	a. Divergent
	b. Convergent
	c. Divergent and Convergent
	d. Divergent and Transform
	e. Covnergent and Transform

Correct

Marks for this submission: 10/10.

Question 4

Marks: 10

How do igneous rocks differ from one another?

Choose one answer.

	a. Texture
	b. Grain size
	c. Composition
	d. All of the above

Correct

Marks for this submission: 10/10.

Question 5

Marks: 10

Using the diagram, what is the main mineral component of peridotite?

Choose one answer.

	a. Feldspar
	b. Pyroxene
	c. Olivine
	d. Amphibole

Correct

Marks for this submission: 10/10.

Question 6

Marks: 10

What are the main two types of igneous rocks?

Choose one answer.

	a. Intrusive
	b. Extrusive
	c. Basaltic
	d. Intermediate
	e. A and B

Correct

Marks for this submission: 10/10.

Question 7

Marks: 10

Which of the following is crystallized from slowly cooling magma intruded within the Earth’s crust?

Choose one answer.

	a. gabbro
	b. rhyolite
	c. peridotite
	d. basalt

Correct

Marks for this submission: 10/10.

Question 8

Marks: 10

Which of the following minerals can crystallize from magmas?

Choose one answer.

	a. Feldspar
	b. Quartz
	c. Biotite
	d. All of the above

Correct

Marks for this submission: 10/10.

Question 9

Marks: 10

Pressure controls the melting temperatures of minerals.

Answer:

True

False

Correct

Marks for this submission: 10/10.

Question 10

Marks: 10

_______________ rocks are fragmented pieces of magma and material erupted into the air.

Choose one answer.

	a. Intrusive
	b. Felsic
	c. Pyroclastic
	d. Metamorphic