C120 001 005 L1 SN 889434 - Amazon...

Our Planet—Earth 21

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How can you describe Earth?

Our Planet—EarthName Date

Before You ReadBefore you read the chapter, think about what you know about the planet Earth. Record three things that you already know about Earth in the first column. Then write three things that you would like to learn abo ut in the second column. Complete the final column of the chart when you have finished the chapter.

Lesson 1 Lesson 2

NEWbiosphereatmospherehydrospheregroundwatergeospheremineralrock

REVIEWfreshwater

NEW water cycleevaporationtranspirationcondensationprecipitationweatherclimaterock cycleuplift

ACADEMICprocess

Chapter Vocabulary

KWhat I Know

WWhat I Want to Learn

LWhat I Learned

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22 Our Planet—Earth

Lesson 1

Scan Lesson 1. Read the lesson titles and bold words. Look at the pictures. Identify three facts you discovered about Earth systems. Record your facts in your Science Journal.

Earth SystemsC

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Differentiate materials that make up Earth’s 4 systems.

Contents

of Earth

Systems

Describe the composition of the biosphere.

Characterize the composition of the atmosphere.

Part of the Atmosphere Details (in dry air)

78%

21%

1%

Other contents••

Detail the layers of the atmosphere. Provide one detail for each bullet in the table below.

Layer Description

Exosphere••

Thermosphere •

Mesosphere •

Stratosphere••

Troposphere•••

What is Earth?

I found this on page .



The Atmosphere




Lesson 1 | Earth Systems (continued)

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Organize information about the hydrosphere.

Location:•

•

•

•

Hydrosphere State (form):•

•

•Total amount:

Characterize the world ocean.

Percent of Earth’s water:

How water flows:

Type of reservoir:

Type of water:

World

Ocean

Diagram the distribution of Earth’s water throughout the hydrosphere.

Earth’s Water 97% ocean salt water

3% 30%

69%

1% fresh surface water87%

11%

2%

The Hydrosphere





24 Our Planet—Earth


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Relate how Earth’s surface reservoirs are supplied with water.

help to supply

State how people can get freshwater where there is no accessible surface water.

Characterize the geosphere.

Geosphere

Definition:

Layers:•

•

Location:

Materials:•

•

•

Restate the 5 characteristics of minerals.

1.

2.

3.

4.

5.




The Geosphere





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Record five physical properties used to identify minerals.

1. 4.

2. 5.

3.

Describe the formation of 3 types of rocks.

Igneous Rocks

Formation:

Sedimentary Rocks

Formation:

Metamorphic Rocks

Formation:

Elaborate on the structure of E arth’s geosphere.

Layer Description

Crust

• Oceanic

• Continental

Mantle

Core

• Inner

• Outer

Synthesize It Explain one way that you interact with each of the four Earth systems discussed in Lesson 1.





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