Science

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Across
  1. 5. property Change that cannot be reversed
  2. 9. particles are flowing around freely
  3. 10. Smallest particle
  4. 11. The ability to dissolve in water
  5. 13. What different sided magnets do
  6. 14. What comes up must come down
  7. 16. Particles are tight together and hardly moving
  8. 17. Particles are closer together
Down
  1. 1. property Change that can be reversed
  2. 2. Builds up matter
  3. 3. What mass makes up
  4. 4. Degree of intensity
  5. 6. Negatively charged particle
  6. 7. Positively charged particle
  7. 8. Neutral charged particle
  8. 12. Building block of chemistry
  9. 15. What holds all subatomic particles