<ul><li>Humidity </li></ul>
<ul><li>Humidity - The amount of water vapor present in the air. </li></ul>
<ul><ul><li>Air does not always contain the same amount of water vapor. </li></ul></ul>
<ul><li>At warmer temperatures, the molecules of water vapor in air move quickly and don’t easily come together. </li></ul>
<ul><li>At cooler temperatures, molecules in air move more slowly. </li></ul>
<ul><li>The slower movement allows water vapor molecules to stick together and form droplets of liquid water. </li></ul>
<ul><li>Condensation - the formation of liquid water from water vapor. </li></ul>
HUMIDITY. =)
<ul><li>Relative </li></ul><ul><li>Humidity </li></ul>
<ul><li>Relative Humidity - is a measure of the amount of water vapor present in the air compared to the amount needed for...
<ul><li>The amount of water vapor in the air at any given time is usually less than that required to saturate the air. </l...
<ul><li>The most common units for vapor density are gm/m 3. </li></ul>
RELATIVE HUMIDITY SCALE. =)
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period 7 group 1

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period 7 group 1

  1. 1. <ul><li>Humidity </li></ul>
  2. 2. <ul><li>Humidity - The amount of water vapor present in the air. </li></ul>
  3. 3. <ul><ul><li>Air does not always contain the same amount of water vapor. </li></ul></ul>
  4. 4. <ul><li>At warmer temperatures, the molecules of water vapor in air move quickly and don’t easily come together. </li></ul>
  5. 5. <ul><li>At cooler temperatures, molecules in air move more slowly. </li></ul>
  6. 6. <ul><li>The slower movement allows water vapor molecules to stick together and form droplets of liquid water. </li></ul>
  7. 7. <ul><li>Condensation - the formation of liquid water from water vapor. </li></ul>
  8. 8. HUMIDITY. =)
  9. 9. <ul><li>Relative </li></ul><ul><li>Humidity </li></ul>
  10. 10. <ul><li>Relative Humidity - is a measure of the amount of water vapor present in the air compared to the amount needed for saturation at a specific temperature. </li></ul>
  11. 11. <ul><li>The amount of water vapor in the air at any given time is usually less than that required to saturate the air. </li></ul>
  12. 12. <ul><li>The most common units for vapor density are gm/m 3. </li></ul>
  13. 13. RELATIVE HUMIDITY SCALE. =)

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