Unit 8

Question 1

weathering

Answer 1

the process of rock breaking apart

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 weathered

Question 4

sediment

Answer 4

bits of rock

Question 5

delta

Answer 5

piles of sediment up near the mouth of a river

Question 6

sand dunes

Answer 6

when the wind deposits a lot of sand in one area

Question 7

landform

Answer 7

a natural land shape or better

Question 8

agents of weathering

Answer 8

gravity

Question 9

agents of weathering

Answer 9

flowing water

Question 10

agents of weathering

Answer 10

tree roots

Question 11

agents of weathering

Answer 11

chemicals in rain

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

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 center to the bottom of the mantle

Question 18

plate tactonics

Answer 18

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

Question 19

earthquake

Answer 19

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

Question 20

epicenter

Answer 20

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

Question 21

fault

Answer 21

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

Question 22

volcano

Answer 22

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