9.2 science crossword

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Across
  1. 2. the language of science
  2. 4. random change in the DNA
  3. 5. short pulses of very high frequency sound used by bats
  4. 7. can zap predator or prey alike with 450 volts of electricity
  5. 9. describes the intensity of a phenomenon as being inversely proportional the square of a distance
  6. 10. invented the electroscope
Down
  1. 1. the process by which DNA is copied
  2. 3. the most powerful of the electric fish
  3. 6. the idea that the non-living atoms came together at just the right time
  4. 8. invented the telegraph