puzzle

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Across
  1. 2. has mass and volume (takes up space)
  2. 3. subatomic particle that has positive charge
  3. 4. easily broken or damaged
  4. 10. can be extended or shaped
  5. 11. number used to
  6. 12. vertical columns
Down
  1. 1. materials that have conductivity
  2. 5. reflected light
  3. 6. mark or sign
  4. 7. a variable
  5. 8. table- shows chemical elements organized
  6. 9. horizontal columns