Chapter 8 Plate Tectonics Review

How do plates move at convergent boundaries?

• Collide together
• Separate apart
• Slide past each other
• All of the above

When 2 continental plates collide, what is formed?

• Mountain ranges
• Trench with subduction zone
• Volcanic Mountains
• Rift Zone

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When 2 ocean plates separate, which is formed?

• mid-ocean ridge
• trench
• subduction zone
• volcanic mountains

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By studying the age of the ocean floor, scientists suggest Pangaea broke apart approximately...

• 2 million years ago
• 20 million years ago
• 200 million years ago
• 2 billion years ago

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What moves the Lithosphere (tectonic plates)?

• Molten rock from the inner core.
• Convection in the asthenosphere.
• Spinning of the outer core.
• Melting of the mantle.

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Which type of crust is more dense?

• oceanic
• continental
• divergent
• pizza

How far do tectonic plates move each year?

• Meters per year

• Centimeters per year

• Kilometers per year

• Feet per year

What is the process of convection?

• The process of hot material rising and cooler material sinking in circular patterns

• The process of hot rock solidifying and forming new crust

• The process of explaining what goes up must come down

• Strong ocean currents moving tremendous amounts of material

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Name the boundary

• convergent
• transform
• divergent
• subduction

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This image represents this type of boundary

• Divergent
• Transform
• Convergent
• Subduction

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