Download Chap. 9, Lesson 2 Worksheet

Lesson 2
The Geosphere
Predict three facts that will be discussed in Lesson 2 after reading the headings. Write your
facts in your Science Journal.
Materials in
the Geosphere
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Order the layers of Earth material.
.
Surface
Core
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Characterize minerals.
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Describe properties used to identify minerals.
Property
Luster
Streak
Cleavage
Fracture
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The Earth System
Description
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Minerals
Lesson 2 | The Geosphere (continued)
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Explain why calcite is more likely to interact with other minerals
than is quartz.
Compare and contrast rocks and minerals.
Mineral
Both
Rock
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naturally
occurring
solids
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Distinguish 3 main types of rocks.
Type
Description
Igneous
Metamorphic
Sedimentary
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Infer why it is important to protect soil.
The Earth System
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Lesson 2 | The Geosphere (continued)
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Assess how interactions among all Earth systems occur in soil.
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Differentiate layers of soil.
B-horizon
C-horizon
Description
A-horizon
Structure of the
Geosphere
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Describe the structure of the geosphere below Earth’s crust.
.
Layer
Description
Density
Lower
mantle
Outer
core
Inner
core
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Relate the density of material in Earth’s layers to the
structure of the geosphere.
through
pulled
toward
.
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The Earth System
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Upper
mantle
Lesson 2 | The Geosphere (continued)
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Characterize Earth’s crust.
Most common
elements:
•
Definition:
•
•
Earth’s
Crust
Two types:
•
•
•
•
•
•
•
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Define Earth’s mantle.
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Contrast the lithosphere and the asthenosphere.
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Lithosphere
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Asthenosphere
Identify differences in the layers of Earth’s core.
Layer
State
Outer Core
solid or liquid
Why?
Inner Core
solid or liquid
Why?
(circle and
explain)
Connect It
Describe the main difference between the core and the other layers of
the geosphere. Then describe a characteristic of soil that distinguishes it from other
materials in the geosphere.
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139
Review
The Earth System
Chapter Wrap-Up
Now that you have read the chapter, think about what you have learned. Complete the final column
in the chart on the first page of the chapter.
Use this checklist to help you study.
Complete your Foldables® Chapter Project.
Study your Science Notebook on this chapter.
Study the definitions of vocabulary words.
Reread the chapter, and review the charts, graphs, and illustrations.
Review the Understanding Key Concepts at the end of each lesson.
Look over the Chapter Review at the end of the chapter.
Summarize It
Reread the chapter Big Idea and the lesson Key Concepts.
Summarize how Earth’s systems drive changes on and beneath Earth’s surface.
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Challenge Make a three-dimensional model cross-section of Earth. Include not only the layers of
the geosphere, but also represent the hydrosphere, the atmosphere, and the biosphere. Share your
model with your class.
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The Earth System