Unit 8

Question 1

Weathering

Answer 1

The breaking down of rocks on Earth’s surface into smaller pieces

Question 2

Deposition

Answer 2

The dropping or settling of eroded materials

Question 3

Erosion

Answer 3

The process of moving sediment from one place to another

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

Sediment in the mouth of the river, forming a landform. New Orleans

Question 6

Sand Dunes

Answer 6

When the wind deposites a lot of sand in one area.

Question 7

Landform

Answer 7

A naturlly made land shape

Question 8

Causes of Weathering

Answer 8

Gravity, flowing of 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 Earth extending from the bottom of the mantle. Mostly metallic iron and nickle

Question 12

Plate tectonics

Answer 12

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

Question 13

Fault

Answer 13

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

Question 14

Earthquake

Answer 14

A skaking of Earth’s surface that can cause land to rise and fall