ch 8 test

Question 1

Atomsphere:

Answer 1

mixture of gases that surround a planet

Question 2

hydrosphere:

Answer 2

the combined mass of water found all over the earth

Question 3

what is the water cycle

Answer 3

the continous movement of water naturally between land, air, and sea

Question 4

what are the 7 processes of the water cycle?

Answer 4

evaportion, transpiration, condenstion, precipation, sublimation, infiltration, runoff

Question 5

What percent of earths water is freshwater?

Answer 5

2.5

Question 6

why is most of earth’s fresh water not available for human use?

Answer 6

it’s in glaciers and ice caps

Question 7

what happens when water cools into a liquid

Answer 7

condensation

Question 8

transpiration

Answer 8

when water is released from the leaves of plants

Question 9

sublimation

Answer 9

frozen water changes inti water vapor

Question 10

what is it called when water seeps into the ground?

Answer 10

Infiltration

Question 11

What is it called when water flows over Earths surface

Answer 11

runoff

Question 12

what is wind?

Answer 12

moving air caused by differences in warm + cool air

Question 13

What is weather

Answer 13

The atmospheric conditions, along with short-term conditions

Question 14

What creates low air pressure

Answer 14

warm air rising

Question 15

What creates High pressure

Answer 15

cool air sinks

Question 16

air mass

Answer 16

a large body of air hovering over the lower atmosphere with specific characteristics

Question 17

What determines the characteristics of an air mass?

Answer 17

the source region (the air mass takes the characteristics of the place it forms over)

Question 18

What are earth’s major air masses

Answer 18

Maritime Tropical (mT), Maritime Polar (mP), Continental Tropical (cT), Continental Polar (cP), Maritime Equartorial (mE), Continental Arctic and Antarctic (cA, cAA)

Question 19

what can cause rain, snow, cold days, and windy days

Answer 19

air masses clashing

Question 20

characteristics of cold fronts

Answer 20

• faster than warm air masses
• denser than warm air masses
• creates heavy rain and violent thunderstorms

Question 21

characteristics of stationary fronts

Answer 21

creates blankety clouds that bring steady rain and warmer temperatures

Question 22

stationary front

Answer 22

a front that isn’t moving

makes clouds and light rain

Question 23

warm, rainy and humid biome

Answer 23

rain forest

Question 24

cold, dry, without much life, near the north pole

Answer 24

tundra

Question 25

has evergreen trees and south of tundra

Answer 25

taiga

Question 26

mild climate and lots of broadleaf trees

Answer 26

temperate deciduous forest

Question 27

too dry for trees, lots of grasses and grazing animals

Answer 27

grasslands

Question 28

very dry, often hot

Answer 28

desert

Question 29

very very wet with 3 zones

Answer 29

ocean

Question 30

not salty water, less than 2.5 percent of water

Answer 30

freshwater