{
 "source": "https://peabody.kids/flashcards/earth-clouds",
 "id": "earth-clouds",
 "title": "Cloud Types",
 "category": "science",
 "subject": "Earth Science",
 "levels": [
  "3-5",
  "6-8"
 ],
 "description": "The cloud types and what weather they bring.",
 "tags": [
  "clouds",
  "weather"
 ],
 "frontLabel": "Cloud",
 "backLabel": "Description",
 "cards": [
  [
   "Cirrus",
   "High, thin, wispy clouds made of ice crystals"
  ],
  [
   "Cirrostratus",
   "High, thin sheet that can make a halo around the Sun"
  ],
  [
   "Cirrocumulus",
   "High, small rippled clouds in rows"
  ],
  [
   "Altostratus",
   "Middle-level gray or blue-gray sheet that can cover the sky"
  ],
  [
   "Altocumulus",
   "Middle-level puffy patches in rows"
  ],
  [
   "Stratus",
   "Low gray layer like fog above the ground"
  ],
  [
   "Stratocumulus",
   "Low, lumpy gray and white clouds"
  ],
  [
   "Nimbostratus",
   "Thick, dark layer that brings steady rain or snow"
  ],
  [
   "Cumulus",
   "Fluffy white clouds with flat bottoms"
  ],
  [
   "Cumulonimbus",
   "Tall thunderstorm clouds"
  ],
  [
   "Which cloud makes thunderstorms?",
   "Cumulonimbus"
  ],
  [
   "Which cloud usually means fair weather?",
   "Cumulus"
  ],
  [
   "Which clouds are the highest?",
   "Cirrus family"
  ],
  [
   "Which clouds are low-level?",
   "Stratus, stratocumulus and nimbostratus"
  ],
  [
   "What does cirro- mean?",
   "High, wispy or curly"
  ],
  [
   "What does stratus mean?",
   "Layer or sheet"
  ],
  [
   "What does cumulus mean?",
   "Heap or pile"
  ],
  [
   "What does nimbus mean?",
   "Rain-bearing"
  ],
  [
   "What does alto- mean?",
   "Middle level"
  ],
  [
   "Contrail",
   "A cloud-like trail left behind by a high-flying airplane"
  ],
  [
   "Fog",
   "A cloud that touches the ground"
  ],
  [
   "Mist",
   "A thin fog with tiny water droplets"
  ],
  [
   "Lenticular cloud",
   "A smooth, lens-shaped cloud often near mountains"
  ],
  [
   "Mammatus cloud",
   "Pouch-like bulges on the underside of a cloud"
  ],
  [
   "Noctilucent cloud",
   "Very high thin cloud that glows at twilight"
  ],
  [
   "Anvil cloud",
   "The flat top of a cumulonimbus"
  ],
  [
   "Funnel cloud",
   "A rotating cone of cloud that hasn't touched the ground"
  ],
  [
   "Shelf cloud",
   "Low wedge-shaped cloud at the front of a storm"
  ],
  [
   "Wall cloud",
   "A lowered cloud base under a storm that can produce tornadoes"
  ],
  [
   "How do clouds form?",
   "Rising air cools and water vapor condenses on tiny particles"
  ],
  [
   "What are clouds made of?",
   "Tiny water droplets or ice crystals"
  ],
  [
   "Why do clouds float?",
   "The droplets are so tiny that rising air keeps them up"
  ],
  [
   "Condensation nuclei",
   "Tiny bits of dust or salt that droplets form on"
  ],
  [
   "Cloud cover",
   "How much of the sky is covered by clouds"
  ],
  [
   "Overcast",
   "A sky fully covered by clouds"
  ],
  [
   "Partly cloudy",
   "A sky with some clouds and some blue"
  ],
  [
   "Why are clouds white?",
   "They scatter all colors of sunlight"
  ],
  [
   "Why are storm clouds dark?",
   "They are so thick that little light passes through"
  ],
  [
   "Cumulus humilis",
   "Small, flat fair-weather cumulus"
  ],
  [
   "Cumulus congestus",
   "Tall towering cumulus that can grow into storms"
  ],
  [
   "Mackerel sky",
   "Cirrocumulus or altocumulus that looks like fish scales"
  ],
  [
   "Mares' tails",
   "Long streaks of cirrus clouds"
  ],
  [
   "Halo",
   "A ring of light around the Sun or Moon from ice crystals in thin clouds"
  ],
  [
   "Virga",
   "Rain that evaporates before reaching the ground"
  ],
  [
   "Altitude of high clouds",
   "Above about 6 kilometers"
  ],
  [
   "Altitude of low clouds",
   "Below about 2 kilometers"
  ]
 ]
}