Coastal Erosion and Deposition - Deer Valley Unified

Use with Chapter 7 Section 7.2 ... 17 Coastal Erosion and Deposition ... 21 Glacial Deposition and Erosion Use with Chapter 8 Section 8.3. Title: Unit...

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Coastal Erosion and Deposition Beach with dunes Shoreline current carrying sand Movement of sand grains carried by waves ion sit

on

De

po

Cliffs

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Depo sit i

Barrier island Sandbar

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Arch Erosion

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Incoming waves

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TEACHING TRANSPARENCY

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Transparency Worksheet 17 Earth Science: Geology, the Environment, and the Universe

8. Describe how sand grains carried by waves move.

7. How did the barrier island likely form?

6. What is a sand bar, and how does it form?

5. Which coastal features shown were created by deposition?

4. What causes deposition to occur along a shoreline?

3. What is deposition?

2. Which coastal features shown were carved by erosion?

1. What causes coastal erosion?

Coastal Erosion and Deposition

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Name

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C. Wet conditions

B. Moist conditions

Slump

Surface tension of thin film of water holds grains together

Transparency Worksheet 19 Earth Science: Geology, the Environment, and the Universe

Water completely surrounds all grains and eliminates all grain to grain contact

A. Dry conditions

Grain to grain frictional contact

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Water and Mass Movement

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potential for a slump to form? Why?

6. How does the addition of large amounts of water under wet conditions affect the

potential for a slump to form? Why?

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Use with Chapter 8 Section 8.1

5. How does the addition of small amounts of water under moist conditions affect the

4. Under dry conditions, what helps to prevent a slump from forming?

3. What is slump?

2. What role does gravity play in mass movement?

1. What is mass movement?

Date

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Water and Mass Movement

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Smaller particles moving by suspension

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d

Dune

Ventifact

Leeward side

Wind direction

Ventifact Formation

an fs t o es n me icl ve art Mo p

Windward side

Position of dune at an earlier time

Dune Migration

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TEACHING TRANSPARENCY

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Desert pavement

Desert Pavement Formation

Larger particles moving by saltation

Wind direction

Suspension and Saltation

Wind Processes

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8. Name four conditions that determine the particular shape of a dune.

7. What causes dunes to migrate?

6. What are dunes?

5. What are ventifacts and how do they form?

4. What feature of the desert shown formed as a result of deflation?

3. What is deflation?

take place?

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2. Under what climatic conditions does wind transport and erosion primarily

1. How does the wind transport sediment particles?

Wind Processes

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Horn

Arete

Medial moraines

Lateral moraines

Cirque

Use with Chapter 8 Section 8.3

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Transparency Master 21 Earth Science: Geology, the Environment, and the Universe

U-shaped valley

Hanging valley

Glacial Deposition and Erosion

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8. Compare the two types of moraines shown.

7. What are moraines?

6. How do U-shaped valleys form?

5. What is a horn and where does one form?

4. When does an arête form?

3. When do cirques form?

2. Which features shown are formed by glacial deposition?

1. Which features shown are formed by glacial erosion?

Glacial Deposition and Erosion

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