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Clouds: the basics


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For grade five science

Published in: Education, Technology
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Clouds: the basics

  1. 1. Clouds: the basics
  2. 2. Formation <ul><li>Three requirements for clouds to form </li></ul>
  3. 3. Moisture <ul><li>There must be sufficient water vapor in the air to build a cloud. </li></ul><ul><li>In the Cloud in a jar experiment this was provided by the boiling water </li></ul>
  4. 4. Cooling Air <ul><li>The air temperature must decrease enough for water vapor to condense. </li></ul><ul><li>(You see snow on mountain tops because it is cooler at high altitudes…. Clouds form high in the sky because the air is cooler up there) </li></ul><ul><li>The ice and the cold jar accomplished this in our experiment </li></ul>
  5. 5. Condensation nuclei <ul><li>Simpler than it sounds </li></ul><ul><li>Tiny particles, invisible to the human eye, such as dust, dirt, and pollutants, provide surfaces on which water molecules can gather and condense into water droplets. </li></ul><ul><li>The smoke provided the tiny particles in the Experiment </li></ul>
  6. 6. Types of Clouds <ul><li>Many different classification </li></ul><ul><li>Altitude </li></ul><ul><ul><li>Cirrus – High </li></ul></ul><ul><ul><li>Alto – Mid </li></ul></ul><ul><ul><li>Stratus - Low </li></ul></ul><ul><li>Nimbus/Nimbo: associated with precipitation </li></ul><ul><li>Cumulus fluffy </li></ul>
  7. 7. Stratus <ul><li>Also means layered clouds (flat) </li></ul>
  8. 8. Cumulus <ul><li>Clumpy puffy clouds </li></ul>
  9. 9. Cirrus <ul><li>composed of ice crystals </li></ul><ul><li>Thin and wisplike strands </li></ul>
  10. 10. Cumulonimbus Clouds <ul><li>much larger and more vertically developed than fair weather cumulus </li></ul><ul><li>Are associated with powerful thunderstorms </li></ul>
  11. 11. Many more <ul><li>alto-cumulus - Middle-level, medium-sized puffy clouds. alto-stratus - Middle-level, layered clouds. cirro-cumulus - High-altitude, small, wispy, patchy, puffy clouds. cirro-stratus - High-altitude, thin, wispy clouds in layers. cirrus - High-altitude, thin, wispy clouds. cumulo-nimbus - Large, dense, towering clouds that cause thunderstorms. cumulus - Low, puffy clouds. fog - Ground-hugging clouds. nimbo-stratus - Low, dark, rain cloud. stratus - Low, layered, horizontal, wispy clouds with a flat base. strato-cumulus - Low clouds, broad and flat on the bottom, puffy on top (higher than cumulus and lower than altocumulus). </li></ul>
  12. 12. Fill in the Graph
  13. 13. Solution
  14. 14. References <ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul>