Particles in Matter

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Across
  1. 1. the scientific word for "takes up space"
  2. 5. a measure of how much "stuff" matter is made of
  3. 9. the smallest bit of matter
  4. 11. I have no definite shape but definite volume
  5. 12. when matter is cooled space between particles..
  6. 13. particles are attracted and move past each other
  7. 14. when heated the space between particles...
  8. 15. when heat is added particles move...
  9. 18. used to show amount of energy a particle has
Down
  1. 2. your science teacher
  2. 3. I have no definite shape and no definite volume
  3. 4. how mass is measured
  4. 6. particles are tightly packed and vibrate
  5. 7. a measurement of temperature
  6. 8. the study of matter
  7. 10. anything that has mass and takes up space
  8. 16. I have definite shape and volume
  9. 17. can change shape and mass to fill any container