stem list #5 crossword

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Across
  1. 3. Earth science
  2. 4. Eight legs
  3. 7. system of government
  4. 9. Moon
  5. 11. Over
  6. 12. Type of measurement
  7. 14. Ten years
Down
  1. 1. Together
  2. 2. Touchy
  3. 5. A device to change the temperature
  4. 6. Events in time order
  5. 7. Explosive
  6. 8. Stars
  7. 10. Study of stars
  8. 13. acknowledge