CHAPTER 7 : ACTIVITY I - PARTICULATE NATURE OF MATTER

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Across
  1. 5. The temperature at which a liquid changes into vapour.
  2. 6. The force of attraction between particles of matter.
  3. 8. To mix completely with a liquid and form a solution
  4. 9. A substance that can flow, such as a liquid or a gas.
Down
  1. 1. A tiny unit that makes up a substance.
  2. 2. A pure substance made up of only one kind of atom.
  3. 3. The spaces present between particles of matter.
  4. 4. The temperature at which a solid changes into a liquid.
  5. 7. The basic building block of an element.