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Air is Matter Investigation 3.2
Everything is made of elements.  What  elements  could be in the gas that forms when sodium bicarbonate (NaHCO 3 ) and cit...
What gas do you think is in the bubbles that form when NaHCO 3  and C 6 H 8 0 7  react?
What is air? <ul><li>How do you know when something is a gas? </li></ul><ul><li>What is gas made of? </li></ul><ul><li>How...
Syringe system <ul><li>Work alone with one system or with a partner using two </li></ul><ul><li>Clamp the tubing with the ...
<ul><li>Does air take up space? </li></ul><ul><li>What is your evidence? </li></ul><ul><li>Does air always take up the sam...
<ul><li>Gases in air have mass and occupy space </li></ul><ul><li>Therefore air is </li></ul><ul><li>MATTER </li></ul>
Compression <ul><li>Air can be forced into a smaller space </li></ul><ul><li>Air that is forced into a smaller space is ca...
<ul><li>When the force is removed, the air  </li></ul><ul><li>EXPANDS </li></ul>
Particulate Model <ul><li>Air is composed of particles too small to see </li></ul><ul><li>Particles are in constant motion...
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Investigation 3 2 Air Is Matter 2010

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Investigation 3 2 Air Is Matter 2010

  1. 1. Air is Matter Investigation 3.2
  2. 2. Everything is made of elements. What elements could be in the gas that forms when sodium bicarbonate (NaHCO 3 ) and citric acid (C 6 H 8 0 7 ) react? <ul><li>Sodium (Na) </li></ul><ul><li>Hydrogen (H) </li></ul><ul><li>Oxygen (O) </li></ul><ul><li>Carbon (C) </li></ul>
  3. 3. What gas do you think is in the bubbles that form when NaHCO 3 and C 6 H 8 0 7 react?
  4. 4. What is air? <ul><li>How do you know when something is a gas? </li></ul><ul><li>What is gas made of? </li></ul><ul><li>How do you know when something is matter? </li></ul><ul><li>Is gas matter? </li></ul>
  5. 5. Syringe system <ul><li>Work alone with one system or with a partner using two </li></ul><ul><li>Clamp the tubing with the binder clip </li></ul><ul><li>Work with or without air in the syringe </li></ul>
  6. 6. <ul><li>Does air take up space? </li></ul><ul><li>What is your evidence? </li></ul><ul><li>Does air always take up the same amount of space? </li></ul>
  7. 7. <ul><li>Gases in air have mass and occupy space </li></ul><ul><li>Therefore air is </li></ul><ul><li>MATTER </li></ul>
  8. 8. Compression <ul><li>Air can be forced into a smaller space </li></ul><ul><li>Air that is forced into a smaller space is called COMPRESSED air </li></ul>
  9. 9. <ul><li>When the force is removed, the air </li></ul><ul><li>EXPANDS </li></ul>
  10. 10. Particulate Model <ul><li>Air is composed of particles too small to see </li></ul><ul><li>Particles are in constant motion </li></ul><ul><li>There is SPACE between the particles of air </li></ul>

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