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Cloud Types

Cloud Types. Grade 4. Learner Expectations. Grade 4 Weather: Select Cloud The learner will be able to identify cloud types. Cloud Names. Names of specific types of clouds are created by combining the name of the cloud's shape with the name of the cloud's height. Clouds. Cumulus. Stratus.

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Cloud Types

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  1. Cloud Types Grade 4

  2. Learner Expectations • Grade 4 • Weather: Select CloudThe learner will be able to identify cloud types.

  3. Cloud Names • Names of specific types of clouds are created by combining the name of the cloud's shape with the name of the cloud's height.

  4. Clouds Cumulus Stratus Cirrus There are 3 main types of cloud shapes: • Cirrus or thin feathery clouds • Stratus or layered clouds • Cumulus or fluffy clouds

  5. Cirrus

  6. Cirrus • The word cirrus comes from a Latin word and means a tuft or curl of hair. Cirrus clouds are very wispy and feathery looking.

  7. Cirrus • The long stringy cirrus clouds are called "mares' tails."

  8. Cirrus Clouds • Cirrus generally occur in fair weather and point in the direction of air movement at their elevation.

  9. Cirrus Clouds

  10. Low Clouds = Stratus • Stratus • Stratocumulus • Nimbostratus

  11. Stratus Clouds Low clouds are of made of water droplets. However, when temperatures are cold enough, these clouds may also contain ice particles and snow.

  12. Stratus Clouds

  13. Stratus Clouds

  14. Stratus The word stratus comes from the Latin word that means "to spread out." Stratus clouds are horizontal, layered clouds that stretch out across the sky like a blanket.

  15. Stratus Clouds • Stratus Clouds stretch across the sky in low, large flat layers. They resemble fog, but they do not reach the ground. They often produce mist or drizzle.

  16. Vertically Developed CumulusClouds • Fair weather cumulus have the appearance of floating cotton and have a lifetime of 5-40 minutes. The word cumulus comes from the Latin word for a heap or a pile. Cumulus clouds are puffy in appearance. They look like large cotton balls.

  17. Cumulus Clouds • Harmless fair weather cumulus clouds can later develop into towering cumulonimbus clouds associated with powerful thunderstorms.

  18. Cumulus • The clouds that produce heavy thunderstorms in summer are a form of cumulus clouds called cumulonimbus. Cumulonimbus clouds may extend upward for hundreds of meters.

  19. Fair Weather Cumulus

  20. Writing Activity: • In your science journal, write a paragraph about each type of cloud. Include 3 or more facts about each cloud and draw a picture of each.

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