In what process do molecules of water vapor reach a liquid state?
Condensation
100
Cirrus Clouds are characterized by their _________
thin and wispy strands
100
Stratus clouds are a dull, _____ color
Grey
200
What kind of weather do short cumulus clouds indicate?
Fair weather
200
What conditions are required for condensation?
The cooling of the air and the presence of particles
200
What does Cirrus mean in Latin?
A curl of hair, or a wisp
200
Around how much area do most of these Stratus Clouds cover?
They usually cover all or most of the sky
300
What does the suffix -nimbus mean?
Rain
300
What is the temperature at which condensation begins?
Dew Point
300
The separation of what crystals determine the transparency of Cirrus clouds?
Miniature Ice Crystals
300
What does strato, the root word for stratus mean in Latin?
spread out
400
Cumulus Clouds form less than _ km above the surface, but may extend upwards as much as _ km.
2, 18
400
Water vapor also condenses on ______ surfaces, and liquid water that condenses onto a cooler surface is called ___, while ice deposited on a surface below freezing temperature is called ____.
solid, dew, frost
400
Cirrus clouds are typically found at heights higher than _____ feet, in areas where the temperature is lower than ____ to ____ degrees Celsius.
20,000; -20; -30
400
As stratus clouds thicken, they may produce, drizzle, rain, or ___, at which point they are known as ________ clouds.