unit 8 earth science

Question 1

weathering

Answer 1

the process of breaking down rocks

Question 2

erosion

Answer 2

The process of moving weathered rock from one place to another

Question 3

deposition

Answer 3

The dropping of weathered rock by wind or moving water

Question 4

sediment

Answer 4

very small pieces of rock

Question 5

delta

Answer 5

landform created by the long term deposing of sediment

Question 6

landfrom

Answer 6

A natural feature of the earth surface

Question 7

sand dunes

Answer 7

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

Question 8

crust

Answer 8

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

Question 9

core

Answer 9

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

Question 10

plate tectonics

Answer 10

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

Question 11

fault

Answer 11

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

Question 12

earthquake

Answer 12

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

Question 13

epicenter

Answer 13

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

Question 14

matle

Answer 14

The thick layer of earth beneath th crust

Question 15

volcano

Answer 15

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