Unit 8

Question 1

weathering

Answer 1

the breaking down of rocks on earth surface into smaller pieces

Question 2

erosion

Answer 2

the process of moving sediments form one place to another

Question 3

deposition

Answer 3

the dropping or setting of eroded materials

Question 4

sediment

Answer 4

sand, bits of rock, fosile, and other matter carried and deposited by water, wind, or ice

Question 5

delta

Answer 5

sediment deposited over a long period of time; New Orlands

Question 6

sand dune

Answer 6

is when the wind deposits a lot of sand in one area/ found in deserts or on a beach

Question 7

landform

Answer 7

a matirally made land shape on feature

Question 8

agents of weathering

Answer 8

gravity

Question 9

agents of weathering

Answer 9

flowering water (rain,floods,waves)

Question 10

agents of weathering

Answer 10

tree roots

Question 11

agents of weathering

Answer 11

chemicals in rain (pollution)

Question 12

agents of weathering

Answer 12

sand blowing

Question 13

agents of weathering

Answer 13

animals digging

Question 14

agents of weathering

Answer 14

ice wedging

Question 15

crust

Answer 15

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

Question 16

mantle

Answer 16

the thick layer of earth beneath the crust

Question 17

core

Answer 17

the layer of earth extending from earths enter to the bottom of the mantle, it is mostly metallic iron and nickel

Question 18

plate tectonic

Answer 18

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

Question 19

fault

Answer 19

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

Question 20

earthquakes

Answer 20

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

Question 21

epicenter

Answer 21

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

Question 22

volcano

Answer 22

a place where hot gases, smoke, and melted rock come out of the ground onto earths surface