Earth Science Unit 8

Question 1

Weathering (definition)

Answer 1

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

Question 2

Erosion (definition)

Answer 2

The process of moving sediment from one place to another.

Question 3

Depositon (definiton)

Answer 3

The droping or settling of erodes material.

Question 4

Sediment (definition)

Answer 4

Sand, bits of rock, fossils an other matter carrried and deposited by water, wing, or ice.

Question 5

Delta (definition)

Answer 5

Landform created by the long term depositing of sediment.

Question 6

Landform (definition)

Answer 6

A natural land shape or feature.

Question 7

Sand dune

Answer 7

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

Question 8

Sand dune

Answer 8

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

Question 9

Causes of wethering (List)

Answer 9

Gravity, Flowing water, Tree roots, Chemicals in rain, Sand blowing, Animal digging, Ice wedging.

Question 10

crust

Answer 10

The thin outer layer of earth, including dry sand and the ocean floor.

Question 11

mantle

Answer 11

The thick outer layer of earth beneath the crust

Question 12

core

Answer 12

the layer of earth exlending from earth’s center to the bottom of the mantle it is mostly.

Question 13

Plate Teconics

Answer 13

The theory that earth’s crustis divided into plates that are always moving.

Question 14

earthquake

Answer 14

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

Question 15

fault

Answer 15

a break in earth’s crust where rock on the other side.

Question 16

epicenter

Answer 16

the pointon earth’s surface directly above the focus of an earthquake.

Question 17

volcano

Answer 17

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