Chapter 3 key terms

Question 1

Geosphere

Answer 1

The solid part of the Earth Consisting of rock or soil and loose rocks on the earths surface.

Question 2

Hydrosphere

Answer 2

Makes up up all of the water on or near Earth’s Surface.

Question 3

Crust

Answer 3

Is composed almost entirely of light elements.

Question 4

Mantle

Answer 4

Which is the layer beneath the crust makes up 68 percent of the mass of Earth.

Question 5

Core

Answer 5

Which has a radius of approximately 3,400 km, is composed of the elements having the greatest density.

Question 6

Lithosphere

Answer 6

Its the Earth’s outer layer.

Question 7

Asthenosphere

Answer 7

Is a layer beneath the lithosphere.

Question 8

Tectonic Plate

Answer 8

It glides across the underlying asthenosphere is much the same way a chunk of ice drifts across a pond.

Question 9

Chemical

Answer 9

relating to chemistry, or the interactions of substances as studied in chemistry.

Question 10

Weathering

Answer 10

the process of wearing or being worn by long exposure to the atmosphere.

Question 11

Erosion

Answer 11

Transports the materials elsewhere.

Question 12

Atmosphere

Answer 12

Is a mixture of gas that surrounds the Earth

Question 13

Troposphere

Answer 13

It extends to about 18 km above Earth’s Surface.

Question 14

Stratosphere

Answer 14

It separates from the troposphere by the tropopause shown in figure 2.3, extends from about 18 km to an altitude of about 50 km

Question 15

Ozone

Answer 15

Is a molecule made up of three oxygen atoms.

Question 16

Radiation

Answer 16

Is the transfer of energy as electromagnetic waves.

Question 17

Conduction

Answer 17

Is the transfer of energy in the form of heat from a warmer object to a colder object when the object are placed in direct physical contact.

Question 18

Convection

Answer 18

Is the transfers of energy that takes place when variations in temperature move the matter making up air.

Question 19

Greenhouse effect

Answer 19

It’s the process in which greenhouse gases absorb and reradiate infrared radiation near the Earth.

Question 20

Water Cycle

Answer 20

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

Question 21

Evaporation

Answer 21

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

Question 22

Condensation

Answer 22

Is the process of water vapor forms water droplets on dust particles.

Question 23

Precipitation

Answer 23

They are larger droplets fall from clouds as rain in a process.

Question 24

Salinity

Answer 24

Its ocean water with the concentration of all the dissolved salts it contains.

Question 25

Fresh water

Answer 25

Is a little more than 3 percent of all the water on earth.

Question 26

Biosphere

Answer 26

Is a narrow layer around Earth’s surface in which life can exist.