Question 1

Which of the following are considered agents of metamorphism?

I. changing pressure

II. changing temperature

III. changing chemical conditions

IV. changing atmospheric conditions

Accepted Answer

I, II, and III

Answer

I, II, and IV

Answer

I and II

Answer

III and IV

Question 2

The illustration below shows gneiss. What change is noticeable in gneiss?

Accepted Answer

Development of bands of light and dark minerals

Answer

Foliation

Answer

Increase in crystal size

Answer

Recrystallization of minerals as smaller, tightly intergrown grains

Question 3

Quartzite is formed in high temperature, low pressure settings. What changes can be observed in quartzite?

Accepted Answer

Increase in crystal size

Answer

Bands of light and dark colored minerals

Answer

Change in mineral composition

Answer

Foliation

Question 4

Slate is a metamorphic rock characterized by foliation. Under what setting does foliation normally develop?

Accepted Answer

High pressure, low temperature

Answer

High temperature, low pressure

Answer

High temperature, high pressure

Answer

Hot water reacts with rocks.

Question 5

What changes in rocks can be expected when hot water rises and reacts with them?

Accepted Answer

Change in mineral composition

Answer

Development of bands of light and dark colored minerals

Answer

Increase in crystal size

Answer

Foliation

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