physics crossword

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Across
  1. 1. Unit of electric current
  2. 4. Distance ÷ Time
  3. 8. Opposes sliding motion
  4. 9. The force pulling objects to Earth
  5. 10. Energy due to motion
Down
  1. 2. Amount of matter
  2. 3. Quantity with magnitude & direction
  3. 5. Positively charged subatomic particle
  4. 6. to temperature
  5. 7. Visible energy