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