Unit 8

Question 1

\weathering

Answer 1

the process of rock breaking down

Question 2

erosion

Answer 2

the process of moving weathered rock from one place

Question 3

sediment

Answer 3

sand bits of rock, fossels and other matter carried and deposits by water and ice.

Question 4

depostion

Answer 4

The dropping of weathered rocks by wind or moving water

Question 5

landform

Answer 5

a natral land shape or feature

Question 6

sand dune

Answer 6

when the wind deposits a lot of sand in one place

Question 7

delta

Answer 7

sediment deposits over a long period of time

Question 8

crust

Answer 8

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

Question 9

mantle

Answer 9

the thick layer of Earth beneath the crust

Question 10

core

Answer 10

the layer of Earth extending from Earth’s center to the bottom of the mantle it is mostly metallic iron and nikel

Question 11

plate tectonics

Answer 11

the theory that earths crust is

Question 12

earthquakes

Answer 12

a shaking of earths surface that can cause land to rise and fall

Question 13

epicenter

Answer 13

the piont on earths surface directly above the fo