period 4 group 1

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period 4 group 1

  1. 1. Weather Factors
  2. 2. Air Temperature <ul><li>During the summer the air is hot, therefore the air is still. </li></ul><ul><li>Temperature- a measure of the average amount of motion of molecules. </li></ul><ul><li>High temperature equals rapidly moving molecules. </li></ul><ul><li>Low temperature equals less rapidly moving molecules. </li></ul>
  3. 3. Wind <ul><li>Wind is air moving in a specific direction. </li></ul><ul><li>Warm expanding air has low atmospheric pressure. </li></ul><ul><li>Cooler air is denser and tends to sink, bringing about high atmospheric pressure. </li></ul><ul><li>Wind speed can be measured using an anemometer. </li></ul>
  4. 4. <ul><li>Humidity </li></ul><ul><li>Relative Humidity </li></ul><ul><li>The amount of water vapor present in the air. </li></ul><ul><li>More water vapor can be present when the air is warm then when its cool. </li></ul><ul><li>The measure of the amount of water vapor present in the air compared to the amount needed for saturation at a specific temperature </li></ul>
  5. 5. <ul><li>The temperature at which air is saturated and condensation forms. </li></ul>

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