science subject

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Across
  1. 3. the process in which an the energy in a on object is lost to the surrounding environment
  2. 7. natural colouring
  3. 8. used to circulate electricity
  4. 10. very influential in physics
  5. 12. has the ills
Down
  1. 1. upside down
  2. 2. used to convey data
  3. 4. measurement of resistance
  4. 5. used as a replacement for copper
  5. 6. imaginary line
  6. 9. curvature
  7. 11. cannot be created of destroyed