from Rocks and Fossils

What is the author's purpose in writing the selection "from Rocks and Fossils?"

• to entertain with a story about minerals

• to inform all about rocks and fossils

• to persuade us to visit Arizona

• to explain what scientists do on their free time

Tags

CCSS.RI.6.6

CCSS.RI.6.9

CCSS.RL.4.6

CCSS.RL.5.6

CCSS.RL.6.6

Why does the author include the photograph on page 431?

• to show that both diamonds and graphite are made of carbon

• to show that one is beautiful and one is ugly

Tags

CCSS.RI.1.5

CCSS.RI.2.5

CCSS.RI.K.5

Which statement best describes the central idea of the text?

• The word mineral is sometimes used for all sorts of substances.

• Many geologists insist on one more thing before they call a substance a mineral.

• More than four thousand minerals have been discovered on Earth.

• All rocks are solid and hard, but they come in an amazing variety of sizes, shapes, colors, and textures.

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RL.5.2

CCSS.RL.6.2

What are the three basic types of rocks?

• igneous, sedimentary, and metamorphic

• crystals, gems, chalk

• diamonds, rubies, sedimentary

• coral, metamorphic, gems

Sedimentary rocks can be divided into three types. They are called--

• igneous, metamorphic, and limestone

• clastic, chemical, and organic

Under what text feature could the reader find information about the most useful sedimentary rocks?

• the subtitle "Types of Sedimentary Rocks"

• the fact box "Putting Sedimentary Rocks to Work"

• the title "from Rocks and Fossils"

• the photograph on page 438

Tags

CCSS.RI.1.5

CCSS.RI.2.5

CCSS.RI.K.5

Which sentence helps the reader know what metamorphic means?

• Metamorphic rocks have some things in common.

• Also, they contain crystals.

• The amounts of rock affected is small.

• Metamorphic rocks are rocks that have changed as a result of being subjected to new conditions.

Tags

CCSS.RI.5.4

CCSS.RI.6.4

CCSS.RL.5.1

CCSS.RL.5.4

CCSS.RL.6.4

Which subtitle would the reader check to find out about the kind of rock formed when magma cools slowly?

• Intrusive Igneous Rocks

• Extrusive Igneous Rocks

What subtitle talks about rocks that are formed from "fire"?

• Prized Minerals

• Igneous Rocks

• Nonmineral Rocks

• Mineral Medley

What text feature gives extra information?

• Title

• Subtitle

• Fact Box

• Photograph

Tags

CCSS.RI.1.5

CCSS.RI.2.5

CCSS.RI.K.5