chapter 19

Question 1

cloud droplets that remain liquid even down to temperatures of -40 degrees celsius

Answer 1

supercooled water

Question 2

a mass of extremely tiny liquid water droplets or ice crystals

Answer 2

cloud

Question 3

nimbus clouds often bring what?

Answer 3

rain or snow

Question 4

the most common type of solid precipitation

Answer 4

snow

Question 5

thin layers or sheets

Answer 5

stratus

Question 6

air moving what direction creates layers of clouds?

Answer 6

horizontally

Question 7

what can generate local winds?

Answer 7

temporary weather conditions and storms

Question 8

condensation nuclei can be common materials such as:

Answer 8

• dust
• pollen
• soil
• salt crystal
• smoke

Question 9

used to measure wind

Answer 9

anemometer

Question 10

what two things in the atmosphere often forms clouds?

Answer 10

water droplets and ice crystals

Question 11

used to measure temperature

Answer 11

thermometer

Question 12

what makes rain acidic?

Answer 12

pollutants

Question 13

control the development of clouds

Answer 13

humidity and air temperature

Question 14

what is the freezing and boiling point of Celsius

Answer 14

freezing - 0
boiling - 100

Question 15

water droplets easily freezing on airplane wings that fly through them

Answer 15

icing

Question 16

water in the solid state falls as what?

Answer 16

freezing rain, sleet, hail, or snow

Question 17

microscopic particles suspended in the east that easily attract water molecules

Answer 17

condensation nuclei

Question 18

what drive winds on earth

Answer 18

atmospheric pressure differences

Question 19

can exist in the atmosphere as clouds

Answer 19

liquid water or ice crystals

Question 20

forms clumps, billows, or towering clouds

Answer 20

vertical movement

Question 21

list five topics of weather

Answer 21

• temperature
• pressure
• wind
• precipitation
• humidity

Question 22

if dew point is below freezing, water vapor deposits as ice crystals on these particles which are called _________

Answer 22

freezing nuclei

Question 23

clouds can be what?

Answer 23

layered, heaped, or wispy

Question 24

used to measure precipitation

Answer 24

rain gauges

Question 25

piles or billows

Answer 25

cumulus

Question 26

stratus-like clouds that form at ground level

Answer 26

fog

Question 27

scientific study of the atmosphere

Answer 27

meteorology

Question 28

temperature at a relative humidity of 100%

Answer 28

dew point

Question 29

determines clouds form

Answer 29

air movement

Question 30

high, wispy curls

Answer 30

cirrus

Question 31

used to measure pressure

Answer 31

barometer

Question 32

used to measure humidity

Answer 32

hygrometer

Question 33

what often brings rain or snow

Answer 33

nimbus clouds

Question 34

what is the most important measurable properties of weather?

Answer 34

- temperature - atmospheric pressure - humidity - wind speed and direction - precipitation

Question 35

clouds are named by what?

Answer 35

the shape the altitude where they are formed and sometimes by their potential for precipitation

Question 36

what are the three main belts of wind in each hemisphere?

Answer 36

- trade winds - prevailing westerlies - polar easterlies

Question 37

what are the three basic cloud shapes?

Answer 37

- stratus - cumulus - cirrus

Question 38

water in the atmosphere can be what?

Answer 38

gas, liquid, or solid

Question 39

what is the freezing and boiling point of Fahrenheit

Answer 39

freezing - 32 boiling - 212

Question 40

day to day; the condition of earth's atmosphere at any given time and place

Answer 40

weather

Question 41

water droplet _____ continues as long as relative humidity is at 100%. the resulting liquid or solid water droplets from what?

Answer 41

condensation; from clouds or mist

Question 42

what can clouds be classified as altitude?

Answer 42

- high - middle-level - low - vertically developed