Science Performance Assessment

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Across
  1. 2. objects that produce a magnetic field
  2. 7. same number of protons different number of neutrons
  3. 9. basically water
  4. 11. compound for barium carbonate
  5. 13. neutrally charged particle
  6. 14. it can see your bones
  7. 15. gas that allows humans to breathe in
Down
  1. 1. positively charged particles
  2. 3. perpendicular wave
  3. 4. liquid metal mercury
  4. 5. one or two letters representing an element
  5. 6. admitting radiation haphazardly
  6. 8. unit of work of energy
  7. 10. energy of motion
  8. 12. speed of something with direction