Quiz4

Review of preview

Started on	Saturday, 7 February 2009, 10:57 PM
Completed on	Saturday, 7 February 2009, 10:58 PM
Time taken	1 min 21 secs
Grade	100 out of a maximum of 100 (100%)

Question 1

Marks: 10

A naturally occurring, solid, crystalline substance (ordered atomic arrangement), generally inorganic, with a definite chemical composition is also known as

Choose one answer.

	a. a rock
	b. a mineral
	c. quartz
	d. a mineraloid

Correct

Marks for this submission: 10/10.

Question 2

Marks: 10

The oldest oceanic crust in the world's oceans is

Choose one answer.

	a. 500 Ma
	b. 10 Ma
	c. 50 Ma
	d. 100 Ma
	e. about 180 Ma

Correct

Marks for this submission: 10/10.

Question 3

Marks: 10

Which bonding force is stronger?

Choose one answer.

	a. A. Ionic bonding
	b. B. Covalent bonding
	c. C. Van der Waals
	d. D. Metallic bonding

Correct

Marks for this submission: 10/10.

Question 4

Marks: 10

Continental crust is composed mainly of :

Choose one answer.

	a. Granite
	b. Basalt
	c. Diabase
	d. Galena

Correct

Marks for this submission: 10/10.

Question 5

Marks: 10

Plates can be made up of both continental and oceanic crust.

Answer:

True

False

Correct

Marks for this submission: 10/10.

Question 6

Marks: 10

Why are feldspars and micas important to the formation of rocks?

Choose one answer.

	a. A. They really are not important in this regard
	b. B. All of the below
	c. C. These minerals weather to clays
	d. D. These minerals are the principal minerals in the mantle

Correct

Marks for this submission: 10/10.

Question 7

Marks: 10

The Carbonate ion, the Phosphate ion, the Silicate ion, the Sulphide ion and the oxide ion are examples of ...

Choose one answer.

	a. cations
	b. anions
	c. minerals
	d. all of the above

Correct

Marks for this submission: 10/10.

Question 8

Marks: 10

Naturally-occurring consolidated mixture of minerals or mineral-like substances are known as:

Choose one answer.

	a. a rock
	b. a mineral
	c. quartz
	d. a mineraloid

Correct

Marks for this submission: 10/10.

Question 9

Marks: 10

Rank the following minerals by their hardness from greatest (first) to least (last).

Choose one answer.

	a. A. fluorite,gypsum,diamond
	b. B. corundum, apatite, talc
	c. C. talc, apatite, corundum
	d. D. None of the above

Correct

Marks for this submission: 10/10.

Question 10

Marks: 10

Volcanoes can form at ...

Choose one answer.

	a. A) Convergent plate boundaries
	b. B) Divergent plate boundaries
	c. C)Hot spots
	d. D)All of the above
	e. E) Transform-fault plate boundaries

Correct

Marks for this submission: 10/10.