Matter

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Across
  1. 6. forms new products
  2. 7. A degree of hotness or coldness measured on a definite scale
  3. 8. the point at which materials changes from a liquid and turns to vapor
  4. 9. observed or measured without changing the the composition
  5. 10. A measure of the mass of a substance per unit volume
Down
  1. 1. matter changes form but not chemical identity
  2. 2. easily set on fire
  3. 3. Energy that is measured and generated by heat
  4. 4. observed during a reaction which the composition change
  5. 5. the point at which materials changes from a solid to a liquid