Physical & Chemical Properties and Changes

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Across
  1. 4. describes the kinetic energy of molecules within a material or system
  2. 5. Happens when one chemical substance is transformed into one or more different substances
  3. 8. The ability of a metal to be drawn into thin wire
  4. 12. The temperature at which a liquid boils and turns into vapor.
  5. 13. The ability of a metal to be hammered into a thin sheet
  6. 14. The opposite of shiny; Does not reflect light
  7. 15. it tells us how much heat is there in a system (energy)
Down
  1. 1. Energy is TRANSMITTED, (exiting) by an object
  2. 2. The impulse for which a substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy
  3. 3. The temperature at which a given solid will melt.
  4. 6. Energy is ABSORBED, (entering) by an object
  5. 7. Needs heat before the substance will ignite
  6. 9. A usually reversible change in the physical properties of a substance
  7. 10. The ability of an element to reflect light
  8. 11. describes the transfer of thermal energy between molecules within a system
  9. 12. Means an element that breaks easily