Science Homework

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Across
  1. 4. matter changing to make\become a new substance
  2. 7. anything that takes up space and has mass
  3. 8. most commonly a letter that stands for an unknown number an amount etc.
  4. 10. a property that can be observed observed mesured or changed without changing the sustance itself
  5. 11. the amount of space an object takes up
  6. 12. like chemical chane but doesn't make\become a new substance
  7. 13. air-like state of matter
Down
  1. 1. it can be big or small but happens when two substances make contact
  2. 2. something we can touch that doesn't change its shape easily most of the time
  3. 3. mass of a contained space that remains constant
  4. 5. similar to volume but with matter
  5. 6. another word\science term for investigation
  6. 9. sciencey term of water and other things like it