Prefix and Suffix

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Across
  1. 3. a particle without an electrical charge
  2. 4. an area protected against intruder
  3. 5. instrument that measures temperature
  4. 6. break or burst open
  5. 7. arranged in the order of time
  6. 11. relating to an orbit or orbits
  7. 12. produced by the internal heat of earth
  8. 15. produced by the sea
  9. 16. a part pf something abstract
  10. 17. a quadrilateral with one pair of parallel lines
  11. 19. branch of biology that deals with living organisms
  12. 20. 8 legged marine animal
Down
  1. 1. attribute to some force beyond the laws of nature
  2. 2. restrict vibrations of partially to one directions
  3. 8. abnormally high blood presure
  4. 9. not causing abrasion
  5. 10. treatment using ultrasound shock waves
  6. 13. 2 wheeled vehicle, usually powered by pedaling
  7. 14. to catch fire
  8. 18. glass tank that holds marine life