4.2

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4.2

  1. 1. 10 October 2010<br />4.2 CSI Particles<br />List 3 (can you do 5?) examples of solids, liquids and gases from the classroom. You may or not be able to see them!<br />Extension: What is the other famous state of matter?<br />
  2. 2. What is a model?<br />
  3. 3. Model or not model?<br />
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  9. 9. Iron<br />Sulfur<br />Iron sulfide<br />
  10. 10. Considering the evidence<br />Before heating, the iron and sulfur atoms are not stuck together. After heating, the iron and sulfur atoms are stuck together in a compound<br />What evidence is there that heating changes the iron and sulfur<br />What evidence is there that the iron and sulfur atoms are stuck together after heating?<br />Extenstion: What do the atoms look like at each stage of the experiment?<br />

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