Physics :D

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Across
  1. 3. distance between two similar points
  2. 8. heat transfer in a liquid and a gas
  3. 9. object with the same charges
  4. 11. a unit of energy
  5. 12. energy that comes from motion
Down
  1. 1. the time it takes for half an amount of radioactive material to decay
  2. 2. something that makes charges harder to pass through
  3. 4. speed with a direction
  4. 5. also known as potential difference
  5. 6. heat transfer in a solid
  6. 7. caused by moving charges
  7. 10. it measures current