1st QTR, LESSON 1: Plate Tectonics Flashcards

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1
Q

What does the Greek word “Tekton” mean?

A

Builder

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2
Q

This is also referred as Lithospheric plates.

A

Plate Tectonics

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3
Q

What are Tectonic Plates?

A

These are massive irregular slabs of solid rock that covers the Earth’s surface that are interconnected with one another and aren’t seen by the naked eye.

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4
Q

This is the thinnest part and the solid outer part of the earth.

A

Lithosphere

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5
Q

Why is it hard to explore the rest of the Lithosphere?

A

It is hard to explore because as we go deeper, the pressure and temperature increases.

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6
Q

What is the Theory of Tectonic Plates?

A

Tectonic plates are constantly in motion.

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7
Q

This is made out of silicon and protects the Lithosphere from the heat that comes from the mantle.

A

Asthenosphere

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8
Q

What is the movement of the Tectonic Plates?

A

Millimetres per year

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9
Q

What are the Major Tectonic Plates?

A

Pacific Plate
Indo-Australian Plate
North American Plate
South American Plate
African Plate
Antarctic Plate
Eurasian Plate

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10
Q

What are the Minor Tectonic Plates?

A

Philippine Sea Plate
Nazca Plate
Scotia Plate
Juan De Fuca Plate
Caribbean Plate
Arabian Plate
Cocos Plate
Indian Plate

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11
Q

Earth’s crust and the uppermost layer of the mantle are composed of what?

A

Rigid units called plates

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