Ch. 3 Sec. 2  Properties of Magma
element <ul><li>substance that cannot be broken down into other substances </li></ul><ul><li>ex: carbon, hydrogen </li></ul>
compound <ul><li>substance made of 2 or more elements that have been chemically combined </li></ul><ul><li>ex: water, carb...
physical property <ul><li>any characteristic of a substance that can be observed or measured w/out changing composition of...
chemical property <ul><li>property that produces change in composition of matter </li></ul><ul><li>ex: ability to burn </l...
viscosity <ul><li>physical property </li></ul><ul><li>resistance of liquid to flowing </li></ul><ul><li>greater viscosity-...
Question:  How Fast do Liquids Flow? <ul><li>Hypothesis:  I predict that ____________  </li></ul><ul><li>Procedure:  See p...
low viscosity high viscosity
low viscosity high viscosity
low viscosity high viscosity
viscosity of magma <ul><li>depends on silica content & temp. </li></ul><ul><li>silica = oxygen + silicon </li></ul><ul><li...
pahoehoe <ul><li>fast-moving, hot lava </li></ul><ul><li>low viscosity </li></ul><ul><li>looks like solid mass of wrinkles...
aa aa surge <ul><li>cooler & slower than pahoehoe </li></ul><ul><li>hardens into rough chunks </li></ul>http://www.youtube...
 
How are pahoehoe and aa different?
The viscosity of magma depends on what two factors?  <ul><li>silica content </li></ul><ul><li>temperature </li></ul>
compound <ul><li>substance made of 2 or more elements that have been chemically combined </li></ul>
element <ul><li>substance that cannot be broken down into other substances </li></ul>
chemical property or physical property? <ul><li>ability to burn </li></ul>chemical property
low viscosity high viscosity
low viscosity high viscosity
low viscosity high viscosity
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6th Grade Ch. 3 Sec. 2 Properties of Magma

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6th Grade Ch. 3 Sec. 2 Properties of Magma

  1. 1. Ch. 3 Sec. 2 Properties of Magma
  2. 2. element <ul><li>substance that cannot be broken down into other substances </li></ul><ul><li>ex: carbon, hydrogen </li></ul>
  3. 3. compound <ul><li>substance made of 2 or more elements that have been chemically combined </li></ul><ul><li>ex: water, carbon dioxide </li></ul>
  4. 4. physical property <ul><li>any characteristic of a substance that can be observed or measured w/out changing composition of substance </li></ul><ul><li>ex: freezing point </li></ul>
  5. 5. chemical property <ul><li>property that produces change in composition of matter </li></ul><ul><li>ex: ability to burn </li></ul>
  6. 6. viscosity <ul><li>physical property </li></ul><ul><li>resistance of liquid to flowing </li></ul><ul><li>greater viscosity-slower it flows </li></ul>
  7. 7. Question: How Fast do Liquids Flow? <ul><li>Hypothesis: I predict that ____________ </li></ul><ul><li>Procedure: See page 87 </li></ul>fast-lower viscosity-low 53 sec Vegetable Oil Slow-greater viscosity-high 98 sec Honey Flowed-Fast or slow/ Viscosity Time Liquid
  8. 8. low viscosity high viscosity
  9. 9. low viscosity high viscosity
  10. 10. low viscosity high viscosity
  11. 11. viscosity of magma <ul><li>depends on silica content & temp. </li></ul><ul><li>silica = oxygen + silicon </li></ul><ul><li>more silica  higher viscosity </li></ul>
  12. 12. pahoehoe <ul><li>fast-moving, hot lava </li></ul><ul><li>low viscosity </li></ul><ul><li>looks like solid mass of wrinkles, billows & ropelike coils </li></ul>http://www.youtube.com/watch?v=0jry-iMXjik
  13. 13. aa aa surge <ul><li>cooler & slower than pahoehoe </li></ul><ul><li>hardens into rough chunks </li></ul>http://www.youtube.com/watch?v=iyIV5fd1Aww
  14. 15. How are pahoehoe and aa different?
  15. 16. The viscosity of magma depends on what two factors? <ul><li>silica content </li></ul><ul><li>temperature </li></ul>
  16. 17. compound <ul><li>substance made of 2 or more elements that have been chemically combined </li></ul>
  17. 18. element <ul><li>substance that cannot be broken down into other substances </li></ul>
  18. 19. chemical property or physical property? <ul><li>ability to burn </li></ul>chemical property
  19. 20. low viscosity high viscosity
  20. 21. low viscosity high viscosity
  21. 22. low viscosity high viscosity
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