Unit 8

Question 1

Weathering

Answer 1

the process of rock breaking apart

Question 2

erosion

Answer 2

the process of rock moving weathered rock from one place to another

Question 3

depostition

Answer 3

the dropping of weathered rock by wind or moving water

Question 4

sediment

Answer 4

sand bits of rock,fossils and other matter carried and deposited by watering or ice

Question 5

delta

Answer 5

sediment deposited over a long period of time

Question 6

landform

Answer 6

a naturally unmade land shape or feature

Question 7

sand dune

Answer 7

found in desserts or a beach piles of sand that have been deposited by the wind

Question 8

Causes of weathering

Answer 8

Gravity, Flowing water, tree roots, chemicals in rain, sand blowing, animals digging, ice wedging

Question 9

crust

Answer 9

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

Question 10

mantle

Answer 10

the thick layer of earth beneath the crust

Question 11

core

Answer 11

the layer of earths center to the bottom of the mantle

Question 12

plate tectonics

Answer 12

the theory that earths crust is divided into plates that are always moving

Question 13

fault

Answer 13

a break in eaths crust where rock on one side moves in relation to rock on the other side.

Question 14

earthquake

Answer 14

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

Question 15

epicenter

Answer 15

the point on earths surface directly above the focus of an earthquake

Question 16

volcano

Answer 16

a place where hot gases, smoke, and melted rock came out of the groundonto earths surface