States of matter

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Across
  1. 5. how something looks to our eyes
  2. 7. a thing made of matter
  3. 8. matter that can be poured
  4. 9. not heavy
  5. 11. how heavy or light something is
  6. 13. to tell how things are the same or different
  7. 14. how big or small something is
  8. 16. to look closely using your senses
Down
  1. 1. anything that takes up space and can be seen or touched
  2. 2. how something feels when touched
  3. 3. matter that keeps its shape
  4. 4. having a lot of weight
  5. 5. to become different over time
  6. 6. stiff and not able to bend
  7. 10. the outline or form of an object
  8. 12. able to bend without breaking
  9. 15. matter you cannot see easily and fills space