Words of change - chemical or physical?

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. The withdrawal of heat to change something from a liquid to a solid (6)
  2. 3. Occurring or formed with the liberation of heat (10)
  3. 6. Incapable of being reversed (12)
  4. 9. The process whereby heat changes something from a solid to a liquid (4)
  5. 10. Red, blue and yellow are all examples of this (5)
  6. 14. An injury caused by exposure to heat or chemicals or radiation (4)
  7. 15. The sensation that results when olfactory receptors in the nose are stimulated by particular (5)

Down

  1. 2. Occurring or formed with absorption of heat (11)
  2. 4. To remove water from (8)
  3. 5. The act of ___ together (3)
  4. 7. A process in which one or more substances are changed into others (8)
  5. 8. To cause to change into a vapor (9)
  6. 11. The temperature at which a liquid ___ at sea level (4)
  7. 12. The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence (4)
  8. 13. State of matter that fills any space, like air (3)