unit 8 earth science Flashcards

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1
Q

weathering

A

the process of breaking down rocks

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2
Q

erosion

A

The process of moving weathered rock from one place to another

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3
Q

deposition

A

The dropping of weathered rock by wind or moving water

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4
Q

sediment

A

very small pieces of rock

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5
Q

delta

A

landform created by the long term deposing of sediment

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6
Q

landfrom

A

A natural feature of the earth surface

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7
Q

sand dunes

A

Created when wind deposit sandon top of each other until a small mound starts to form

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8
Q

crust

A

The thin outer layer of earth, including dry land and the ocean floor

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9
Q

core

A

The layer of earths extending from earth’s center to the bottom of the mantle its mostly metallic iron and nickel

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10
Q

plate tectonics

A

The theory that earth’s crust is divided into plates that are always moving

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11
Q

fault

A

A break in Earth’s crust where rock on one side moves in relation

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12
Q

earthquake

A

A shaking of Earth’s surface that can cause land to rise and fall

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13
Q

epicenter

A

The point on Earth’s surface directly above the focus of an earthquake

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14
Q

matle

A

The thick layer of earth beneath th crust

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15
Q

volcano

A

A place where hot gases,smoke,and melted rock come out of the ground onto earth’s surface

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