Matter

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Across
  1. 4. state of matter where volume and shape are fixed
  2. 7. the measure of the gravity on an object
  3. 8. when a solid changes to a gas
  4. 12. change of state from liquid to gas
  5. 14. how much matter is in an object
  6. 15. a measure of the energy of particles in an object
  7. 18. ability of a substance to dissolve in another
  8. 19. ratio of a substance's mass to its volume
  9. 20. smallest unit of an element
  10. 21. an element that is shiny and conducts heat well
Down
  1. 1. conversion of a liquid to a vapor
  2. 2. a form of matter with definite volume but not shape
  3. 3. anything that has mass and takes up space
  4. 5. a form of matter without definite volume or shape
  5. 6. resistance of gas or liquid to flow
  6. 9. change of state from gas to liquid
  7. 10. when solid becomes liquid after heat is added
  8. 11. liquid is a ________ of matter
  9. 13. force that acts on the surface of a liquid is surface ____
  10. 16. a kind of property that doesn't involve chemical change
  11. 17. amount of force per unit area of surface