Collecting Rocks ELA7 Practice Questions

As used in paragraph 1 of "Collecting Rocks," what is the meaning of the word classify?

• contain

• create

• categorize

• change

Choose the phrase that helps the reader understand the meaning of the word classify as used in paragraph 1.

• "...three groups..."

• "...the major Earth processes..."

• "...should become familiar..."

• "...a true collection..."

PART A: Based on the evidence in the article, what is most likely the author's purpose in "Collecting Rocks"?

• to persuade people to create a rock collection

• to explain a new method for analyzing rocks

• to inform a possible rock collector about how to group rocks

• to explain the difficulties scientists have in grouping rocks

PART B: Which statement BEST supports the answer to PART A?

"to inform a possible rock collector about how to group rocks"

• The author claims that a person can create an impressive collection of rocks.

• The author explains how geologists classify rocks.

• The author describes how high pressure and temperature affect rock formations.

• The author discusses how layers of rock are held together.

PART A: How does the author primarily structure "Collecting Rocks"?

• by discussing the effects of pressure on rock formation

• by describing the characteristics of specific types of rocks

• by comparing the sizes and shapes of rocks

• by focusing on order of importance of rock types

PART B: Which detail from the article BEST supports the answer to Part A?

"by describing the characteristics of specific types of rocks"

• "...igneous, sedimentary, and metamorphic rocks..." (par. 1).

• "...formed from melted rock that has cooled and solified" (par. 2).

• "...(volcanic glass), granite, basalt..." (par. 2).

• "Temperatures and pressures are low..." (par. 3)

According to the article "Collecting Rocks," what causes metamorphic rocks to form? CHOOSE THREE​ (a)   ​ (b)   ​ (c)  

• Pressure makes rocks more compact and dense.
• High heat changes rocks.
• Minerals are rearranged to form new minerals.
• Rocks melt due to high temperatures.
• Fragments of rocks are cemented together.
• Magma cools.

How could a geologist identify metamorphic rocks?

• by their striped appearance

• by their fine grains

• by their layers that are parallel to the Earth's surface

• by their glassy appearance