Restless Earth - Tectonics Plates Flashcards

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0
Q

The centre of the earth contains ?

A

The core filled with solid iron and nickel

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1
Q

The earths’s surface is separated into?

A

Tectonic plates

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2
Q

Around the core is ?

A

The mantle, which is semi molten rock, moves slowly

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3
Q

The crust of the world is divided ?

A

Into Slabs known as tectonic plates

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4
Q

Continental crust is ?

A

Thicker and less dense

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5
Q

Oceanic crust is ?

A

Thin and more dense

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6
Q

Why do the tectonic plates move ?

A

This is as they float on the moving mantle

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7
Q

The place where plates meet I known as ?

A

A Plate margin or boundary

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8
Q

A destructive margin is when ?

A

Two plate move towards each other, the denser plate is forced down into the mantle and destroyed

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9
Q

The constructive margin is where ?

A

The two plates move away from each other and magma rises and cooks filling gap

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10
Q

What happens at the conservative margin?

A

This is where two plates move sideways past each other ( same direction different speeds or opposite directions)

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