Ch. 3 Vocab

Question 1

Geosphere

Answer 1

solid part of earth that consists of all rock, as well as the soils & loose rocks on Earths surface

Question 2

Hydrosphere

Answer 2

makes up all of the water on or near earths surface

Question 3

Crust

Answer 3

composed almost entirely of light elements

Question 4

Mantle

Answer 4

the layer beneath the crust, makes up 68% of the mass of earth

Question 5

Core

Answer 5

earth’s inner most layer

Question 6

Lithosphere

Answer 6

earths’ outer layer

Question 7

Asthenosphere

Answer 7

layer beneath the lithosphere

Question 8

Tectonic Plate

Answer 8

lithosphere is divided into pieces c

Question 9

Chemical Weathering

Answer 9

wears down rocks, making them smoother as time pases

Question 10

Erosion

Answer 10

transports the material elsewhere

Question 11

Atmosphere

Answer 11

mixture of gasses (nitrogen, co2 & other gasses)

Question 12

Troposphere

Answer 12

nearest to earths surface, extends about 18 km about the surface

Question 13

Stratosphere

Answer 13

above troposphere, extends from about 18 km to an altitude of 50 km

Question 14

ozone

Answer 14

a molecule made up of three oxygen atoms

Question 15

radiation

Answer 15

transfer of energy as electromagnetic waves

Question 16

conduction

Answer 16

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

Question 17

convection

Answer 17

transfer of energy that takes place when variations in temp. move the matter making up air

Question 18

greenhouse effect

Answer 18

process in which greenhouse gases absorb & reradiate infrared radiation near the earth

Question 19

water cycle

Answer 19

continues movement of water into the air, onto land, & then back to water sources

Question 20

evaporation

Answer 20

process by which liquid water is heated by the sun & the rises into the atmosphere as water vapor

Question 21

condensation

Answer 21

water vapor fires water droplets in dust particle

Question 22

precipitation

Answer 22

larges droplets that fall from cloud as. rain

Question 23

salinity

Answer 23

ocean water is the concentration of all the dissolved salts it contains

Question 24

fresh water

Answer 24

a little more that 3% of all the water on earth

Question 25

biosphere

Answer 25

the narrow layer around earths surface in which life can exist