Unit 8 Earth Science

Question 1

weathering

Answer 1

the process of rock breaking apart

Question 2

deposition

Answer 2

the dropping of weathered rock by wind or moving water

Question 3

sediment

Answer 3

sand, bits of rock, fossils, and deposited by water, wind or ice

Question 4

delta

Answer 4

landforms created by the long-term depositing of sediment

Question 5

landform

Answer 5

is a natural land shape or feature

Question 6

sand dune

Answer 6

wind depsites alot of sand in one area

Question 7

1

Answer 7

Gravity

Question 8

2 flowing water

Answer 8

rain, floods, waves

Question 9

3

Answer 9

tree roots

Question 10

4 chemicals in rain

Answer 10

pollution

Question 11

5

Answer 11

sand blowing

Question 12

6

Answer 12

animals digging

Question 13

7

Answer 13

ice wedging

Question 14

crust

Answer 14

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

Question 15

mantle

Answer 15

the thick layer of earth beneath the crust

Question 16

core

Answer 16

the layer of earth’s center to the bottom of the mantle. It is mostly iron and nickels

Question 17

plate tectonics

Answer 17

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

Question 18

fault

Answer 18

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

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 earth’s surface directly above the locus