The Earth Flashcards

0
Q

What are the three plate boundaries

A

The constructive, destructive and passive plate boundaries

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1
Q

What are the seven plates

A

The Eurasian, North American, Pacific, Indo-Australian, Antartic,
African and Nazca plates

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2
Q

What are the four layers of the earth

A

The crust, the mantle, the outer core and the inner core

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3
Q

What is a mid-ocean ridge

A

A mid-ocean ridge is a group of volcanic islands in the ocean that are created when plates separate allowing lava to pour onto the ocean floor then hardening. This process repeats itself until above sea level

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4
Q

What are the three stages of a volcano

A

Active, dormant and extinct

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