Chapter 5

Question 1

what’s dew

Answer 1

water vapour condenses on cool surfaces, especially at night

Question 2

when frost forms

Answer 2

temperature drops below freezing and water vapour solidifies into ice crystals

Question 3

cause of fog

Answer 3

air becomes saturated with moisture due to cooling or mixing of warm moist air with cooler air

Question 4

mist vs. fog

Answer 4

mist tiny water droplets in air but less dense than fog

Question 5

haze

Answer 5

presence of particles or pollutants in air which scatter to reduce visibility

Question 6

when does hoarfrost form

Answer 6

clear, calm nights when water vapour deposits as ice

Question 7

cumulus clouds

Answer 7

fluffy white clouds lower in atmosphere

Question 8

stratus clouds

Answer 8

uniform grey clouds covering sky associated with rain or drizzle

Question 9

cirrus clouds

Answer 9

high wispy clouds made of ice crystals

Question 10

polar-orbiting satellites

Answer 10

orbit earth at same speed allow to monitor weather patterns

Question 11

data satellites collect about clouds

Answer 11

cloud height, temperature, moisture content, movement, type of

Question 12

IR cloud imagery

Answer 12

temperature of clouds

Question 13

visible satellite imagery

Answer 13

captures sunlight reflected to provide images of cloud structure and coverage