Plate Boundaries Guided Notes - Part I

Plate Boundaries Guided Notes

Part I

Plate Boundaries

Where two plates meet

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The lithosphere is broken into plates that "

" or "ride" on the asthenosphere.

Plates

7 Major Plates

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Pacific, North American, South American, African,

, Australian Indian, and Antarctic.

Divergent Boundaries

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2 plates moving

from each other.

Drag and Drop

As the plates move apart, ​

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​

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, fills in the space between the two plates, and hardens.

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magma

rises

sand, solidifies

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Features: Ridges and

.

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Example: Red Sea, ___-____ _____, East African Rift Valley

Convergent Boundary

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The

of one plate with another; means to collide.

• Continental/oceanic

• Continental/Continental

• Oceanic/Oceanic​

Three types of collision

Continental/Oceanic (C-O)

Dropdown

Oceanic crust is denser so it is forced ​

Select answer

continental crust.

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Oceanic always

under continental.

Multiple Choice

_________ zone refers to the region where one plate moves under another.

• Abduction

• Subduction

• Traction

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Features:

on land and trenches offshore.

Dropdown

Example: S. America/Nazca --> ​

Select answer

Mountains and Peru Trench

Continental/
Continental Convergent (C-C)

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Colliding edges are crumpled and uplifted producing _______ _______.

• Neither will subduct

• Non-volcanic

Dropdown

Example: NC & Africa --> ​

Select answer

Mountains

Dropdown

Example: India & Eurasia --> ​

Select answer

.

Oceanic/
Oceanic (O-O)

Dropdown

One of the plates must ​

Select answer

under the other

Drag and Drop

Features: trenches, ​

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​

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​

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volcanic

island

arcs

Japan

Philipines

West Indies

Examples