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Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
Investigation 3 2 Air Is Matter 2010
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Investigation 3 2 Air Is Matter 2010

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  • 1. Air is Matter Investigation 3.2
  • 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. What gas do you think is in the bubbles that form when NaHCO 3 and C 6 H 8 0 7 react?
  • 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. 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. <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. <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. 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. <ul><li>When the force is removed, the air </li></ul><ul><li>EXPANDS </li></ul>
  • 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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