properties of matter. Duff

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Across
  1. 1. release of heat
  2. 7. form of matter with constant composition
  3. 10. to inspect or look at and observe
  4. 13. descriptive data
  5. 15. number/Letter written bellow the symbol
  6. 16. numerical data
  7. 17. the rule that states matter is created or destroyed
Down
  1. 2. weight used in physics that doesn't change
  2. 3. a substance composed of 2 or more substances
  3. 4. stimulates sight and makes things visible
  4. 5. line on a scatter plot that best represents the trend of the data points
  5. 6. the mass of a substance per unit
  6. 8. absorption of heat
  7. 9. physical substance
  8. 11. substance of matter that is freely expanded
  9. 12. a the outcome of mixing different materials or products
  10. 14. a numerical or constant quality