The Earth's Layers Flashcards

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1
Q

The flowing of the upper __________ causes the Earth’s plates to move.

A

Mantle

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2
Q

The Earth’s crust is thickest under the _____________ __________.

A

Continental Plates

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3
Q

The Earth’s crust is the thinnest under the __________ _________.

A

Ocean plates

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4
Q

What landforms are shaped by water?

A

Valleys and canyons

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5
Q

What landforms are shaped by wind?

A

Deserts and beaches.

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6
Q

What is the flattest kind of landform without any hills or mountains?

A

Plains

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7
Q

The tallest and most visible landforms are __________.

A

Mountains

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8
Q

Streams and rivers can cut small __________ or gullies where they flow.

A

Channels

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9
Q

Gust of wind can pile sand into large mounds called sand ________.

A

Dunes

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10
Q

___________________ measures vibration in the Earth.

A

Seismograph

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11
Q

What landform is formed when a river meets the ocean?

A

Delta

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12
Q

The _________ is the top layer of the Earth.

A

Crust

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13
Q

A large mass surrounded by oceans or other land is called an _________.

A

Island

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14
Q

Valleys and canyons are examples of landforms shaped by ________.

A

Water

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15
Q

The gentle sloping edge of continent that connects the shore to the sea is called __________ __________.

A

Continental slope

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16
Q

What Earth layer has a magnetic field?

A

Outer Core

17
Q

What Earth layer is made of solid metal?

A

Inner Core

18
Q

What type of boundary is an area where two tectonic plates are moving apart?

A

Divergent

19
Q

What Earth layer is solid rock caused to liquefy by extreme heat and pressure?

A

Mantle

20
Q

What type of boundary is an area where two tectonic plates are Colliding?

A

Convergent

21
Q

The continents today were once joined in one huge continent called _________.

A

Pangaea

22
Q

The continents drift only a few ____________ a year.

A

Inches

23
Q

Name the four Earth layers.

A

Inner core, outer core, mantle, crust.

24
Q

What is Earth layer is solid rock?

A

Mantle

25
Q

What Earth layer creates the Earth’s magnetic field?

A

Outer core

26
Q

What two metals make up the inner core?

A

Iron and nickel

27
Q

Name the super-continent that existed millions of years ago before the continents drifted apart.

A

Pangaea

28
Q

Name the region that is made up of the Earth’s crust and the solid part of the mantle above the atmosphere.

A

Lithosphere

29
Q

What force pulls everything towards the center of the Earth?

A

Gravity