Ch. 3 Key Terms

Question 1

Geosphere

Answer 1

The solid part of earth’s that consists of all rock and the soils and sediments on earth
surface.

Question 2

Crust

Answer 2

Earth’s thin outer layer.Is made almost entirely of light elements.

Question 3

Mantle

Answer 3

Is the layer beneath the crust makes up 64 percent of mass of earth.

Question 4

Core

Answer 4

Earth’s innermost layer.

Question 5

Lithosphere

Answer 5

Earth’s outer layer

Question 6

Asthenosphere

Answer 6

Is the layer beneath the lithosphere.

Question 7

Tectonic plate

Answer 7

Outermost layer of the earth is divided into pieces.

Question 8

Erosion

Answer 8

The removal and transport of surface material.

Question 9

Atmosphere

Answer 9

Earth’s is surrounded by a mixture of grass .

Question 10

Troposphere

Answer 10

Extends from 18 km to altitude increases,

Question 11

Stratosphere

Answer 11

Extends from 18 km to altitude increases,

Question 12

Ozone

Answer 12

Is a molecule that is made up of three oxygen atoms.

Question 13

Radiation

Answer 13

Is the transfer of energy across space and in the atmosphere.

Question 14

Conduction

Answer 14

Is the flow of heat from a warmer object to colder object when the objects are placed in direct physical contact.

Question 15

Convection

Answer 15

Is the transfer of heat by air currents.

Question 16

Greenhouse effect

Answer 16

Which gases trap heat near the earth .

Question 17

Water cycle

Answer 17

The continuos movement of water into air onto land and then back to water sources.

Question 18

Evaporation

Answer 18

Is the process by which liquid water is heated by the sun and then rises into the atmosphere as water vapor.

Question 19

Condensation

Answer 19

Water vapor forms water droplets on dust particles.

Question 20

Precipitation

Answer 20

The largest droplets fall from clouds as rain in the process.

Question 21

Salinity

Answer 21

Sea water is the total quantity of dissolved salts.

Question 22

Fresh water

Answer 22

A little more than 2 percent of all the water on earth’s.

Question 23

Biosphere

Answer 23

The narrow layer around earth’s surface in which life can exist.

Question 24

Closed system

Answer 24

Energy enters the environment but matter does not.

Question 25

Open system

Answer 25

Mater and energy are exchanged between a system and the surrounding .