Heat, light and sound

Edit Answers
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Across
  1. 3. clka;h
  2. 5. ncla;h
  3. 7. cnla;
  4. 8. jbak;
  5. 9. cb;ahgca
  6. 12. cbakj;gc
Down
  1. 1. cbak;
  2. 2. bc;âc
  3. 4. cjakb;
  4. 6. cbakca;cga
  5. 10. jcksgagl
  6. 11. kcbalbc