physics crosword

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Across
  1. 3. He invented electromagnetic induction
  2. 4. He invented telescope
  3. 6. He invented Thermionic Emission
  4. 8. He invented gravity
Down
  1. 1. He invented electricity
  2. 2. He invented thermometer
  3. 5. He invented radioactivity
  4. 7. He invented telephone