Chapter 12 Lesson 2

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Across
  1. 3. Becoming liquified by heat.
  2. 7. The process by which plants and some other organisms convert light and energy into chemical energy.
  3. 8. A physical change that breaks down into a liquid.
  4. 9. Fireworks, Digestions, etc.
  5. 12. States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction.
  6. 13. the quality of something that can be decided by touch.
Down
  1. 1. property of a substance that describes how easily it can be ignited and burnt.
  2. 2. the external form, contours, or outline of someone or something.
  3. 3. Attractions to a magnet
  4. 4. How big something is.
  5. 5. The temperature at which liquid vapour pressure equals atmospheric pressure.
  6. 6. What is another word for chemical reaction?
  7. 7. Melting ice, BOiling wataer, etc.
  8. 10. oxidation, especially in the presence of moisture.
  9. 11. Matter where chemicals are far apart