particulate nature of matter

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Across
  1. 2. individual pieces of crystalline solids
  2. 5. appears one or uniform before your eyes
  3. 6. force of attraction between identical molecules
  4. 8. a process by which a solid turns to liquid
  5. 9. refers to properties that can be observe by five human sense
  6. 11. resistance of a liquid to flow
  7. 12. one in which the particles are not arrange in a regular or repeating pattern
  8. 15. is anything that takes place and has mass
  9. 16. the process by which a liquid change to gas
  10. 18. the temperature at which the liquid turns into crystalline solid
Down
  1. 1. substances whose colors are affected by acids and bases
  2. 3. a gas or vapor turns into liquid
  3. 4. a pure substance made up of only one type of atom
  4. 7. solid phase change to gas phase
  5. 8. two or more substances that are mixed together physically
  6. 10. the pressure exerted by the vapor over the liquid
  7. 13. not uniformly mixed
  8. 14. energy required to increase the surface area of a liquid by a given amount
  9. 17. force of attraction between different molecules
  10. 18. ability to flow