Unit 8 Earth Science (Weathering)

Question 1

`Weathering

Answer 1

the breaking down of rocks on earth’s surface into smaller peices

Question 2

Erosion

Answer 2

the process of morving sediment from one place to another

Question 3

Deposition

Answer 3

the dropping or settling of eroded materials

Question 4

Sediment

Answer 4

sand bits of rocks, fossils, and other matter carried and deposited by water, wind, or ice

Question 5

Delta

Answer 5

a landform created by the long term depositing of sediment

Question 6

Landform

Answer 6

a natural land shape or feature

Question 7

Sand Dune

Answer 7

they form when wind carries and depostites a lot of sand in an area

Question 8

Causes of Weathering

Answer 8

1. Gravity
   2.Flowing Water
   3.Tree Roots
2. Chemicals in Rain (Pollution)
3. Sand Blowing
4. Animals’ Digging
5. Ice Wedging

Question 9

Crust

Answer 9

The thin outer layer of earth, including dry land and th eocean floor

Question 10

Core

Answer 10

The layer of earth extending form erth’s center to the matel; mostly metalic metal and iron

Question 11

Mantle

Answer 11

The thick layer of earth beneath the crust

Question 12

Plate Tectonics

Answer 12

The theory that Earth’s crust is dividedminto plates that are always moving

Question 13

Fault

Answer 13

A break in earth’s crust where rocks on one side moves in relation to rock on the other side

Question 14

Earthquake

Answer 14

A shaking of earth’s surface that can cause land to rise and fall

Question 15

Epicenter

Answer 15

The point on earth’s surface directly above the focus of an earthquake

Question 16

Volcano

Answer 16

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