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hydrogen cycle

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

large collection of very tiny droplets of water or ice crystals

Back (Answer)

clouds

#2
Front (Question)

height and types of cirrus cloud rgoup

Back (Answer)

above 20,000 feet cirrus cirrostratus cirrocumulus

#3
Front (Question)

alto

Back (Answer)

6, 500 to 20, 000 feet altostratus altocumulus

#4
Front (Question)

stratus

Back (Answer)

up to 6, 500 feet stratus stratocumulus nimbostratus

#5
Front (Question)

clouds with vertical growth

Back (Answer)

cumulus cumulonimbus

#6
Front (Question)

special clouds

Back (Answer)

mammatus lenticular fog contrails

#7
Front (Question)

most common of the high clouds. composed of ice and are thin, wispy clouds blown in high winds into long streamers.

Back (Answer)

cirrus clouds

#8
Front (Question)

when you see this cloud, it usually indicates that a change in the weather will occur within 24 hours

Back (Answer)

cirrus clouds

#9
Front (Question)

thin, sheetlike high clouds that often cover the entire sky. usually come 12-24 hours before a rain or snow storm

Back (Answer)

cirrostratus clouds

#10
Front (Question)

appear as small, rounded white puffs that appear in long rows. the small ripples in the cirrocumulus clouds sometime resemble the scales of a fish

Back (Answer)

cirrocumulus clouds

#11
Front (Question)

in tropical regions, they may indicate an approaching hurricane

Back (Answer)

cirrocumulus clouds

#12
Front (Question)

gray or blue-gray mid level clouds composed of ice crystals and water droplets. often form ahead of storms with continuous rain or snow

Back (Answer)

altostratus

#13
Front (Question)

mid level clouds that are made of water droplets and appear as gray puffy masses. if you see this on a warm sticky morning, be prepared to see thunderstorms late in the afternoon

Back (Answer)

altocumulus clouds

#14
Front (Question)

uniform grayish clouds that often cover the entire sky. they resemble fog that doesn’t reach the ground

Back (Answer)

stratus

#15
Front (Question)

low, puffy, and gray. most form in rows with blue sky visible in between them. rain rarely occurs with this kind of clouds however, they can turn into nimbostratus clouds

Back (Answer)

stratocumulus clouds

#16
Front (Question)

form a dark gray, wet looking cloudy layer associated with continuously falling rain or snow. they often produce precipitation that is usually light to moderate

Back (Answer)

nimbostratus clouds

#17
Front (Question)

white, puffy clouds that look like pieces of floating cotton. often called FAIR-WEATHER CLOUDS. the base is flat and the top of each cloud has rounded towers.

Back (Answer)

cumulus clouds

#18
Front (Question)

thunderstorm clouds. high winds can flatten the top into an anvil-like shape. associated with heavy rain

Back (Answer)

cumulonimbus clouds

#19
Front (Question)

low hanging bulges that droop from cumulonimbus clouds. usually associated with severe weather

Back (Answer)

mammatus

#20
Front (Question)

caused by a wave wind pattern created by the mountains. look like discs or flying saucers that form near mountains

Back (Answer)

lenticular clouds

#21
Front (Question)

cloud on the ground. composed of billion of tiny water droplets floating in the air.

Back (Answer)

fog

#22
Front (Question)

condensation trails left behind jet aircrafts

Back (Answer)

contrails

#23
Front (Question)

often associated with sever weather. it is thought to have something to do with having a high amount of liquid water drops and hail inside the clouds

Back (Answer)

green clouds

#24
Front (Question)

small, ragged clouds fragments that are usually found under an ambient cloud base. they form or have broken off from a larger clouds, and are generally sheared by strong winds, giving them a jagged appearance

Back (Answer)

fractus clouds