Physics Crossword Week 5

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Across
  1. 6. an SI base unit (4)
  2. 7. moon whose name means dread (6)
  3. 8. give rise to forces (6)
  4. 12. the sixth planet from the Sun (6)
  5. 14. a famous space telescope (6)
  6. 16. early stage in a star’s life cycle (9)
  7. 17. Greek letter used as the unit for resistance (5)
  8. 18. scientist who discovered the neutron (8)
  9. 19. causes signal degradation (10)
  10. 21. quark anti-quark pairs (6)
  11. 23. spectrum of radiations that all travel at c (15)
  12. 25. one of the 2 fundamental classes of subatomic particles: bosons & ____ (8)
  13. 28. British X-ray crystallographer (8)
  14. 29. the “s” in laser (10)
  15. 30. most recently discovered particle in the Standard Model (5)
Down
  1. 1. they are hard, brittle, and heat-resistant (8)
  2. 2. monochromatic light source (5)
  3. 3. state of a switch allowing current to flow (6)
  4. 4. German astronomer (6)
  5. 5. type of EM wave used by satellites (10)
  6. 9. planet known as Terra or Sol III (5)
  7. 10. average distance between earth and the sun is one ____ unit (12)
  8. 11. an electrical safety device (4)
  9. 13. number of laws of motion Newton has (5)
  10. 15. element named after a physicist with contributions to atomic models (7)
  11. 18. lens that causes light to converge (6)
  12. 20. circuit component (6)
  13. 22. a gauge boson for the strong nuclear force (5)
  14. 24. an ____ object does not transmit light (6)
  15. 26. fluid resistance (4)
  16. 27. the study of light (6)