Question 1

the mass of air surrounding the Earth

Accepted Answer

atmosphere

Question 2

All of the water on earth.

Accepted Answer

hydrosphere

Question 3

the part of earth where life exists

Accepted Answer

biosphere

Question 4

feature of Earth's surface (examples: mountains, valley, hill, plain, mesa)

Accepted Answer

landform

Question 5

elevation of a land surface

Accepted Answer

relief

Question 6

Large movable plates under the Earth's surface.

Accepted Answer

tectonic plates

Question 7

a crack in the earth's crust

Accepted Answer

fault

Question 8

violent and sudden movement of the earth's crust

Accepted Answer

earthquake

Question 9

A giant wave usually caused by an earthquake beneath the ocean floor.

Accepted Answer

tsunami

Question 10

a weak spot in the crust where molten material, or magma, comes to the surface

Accepted Answer

volcano

Question 11

A circle of volcanoes surrounding the Pacific Ocean.

Accepted Answer

ring of fire

Question 12

The breaking down of rocks and other materials on the Earth's surface.

Accepted Answer

weathering

Question 13

A landform made of sediment that is deposited where a river flows into an ocean or lake

Accepted Answer

delta

Question 14

a slowly moving mass of ice

Accepted Answer

glacier

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