properties of matter

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Across
  1. 2. a type of matter made of two or more elements
  2. 3. surface structure that you feel by touching a material
  3. 8. when a gas turns to a liquid
  4. 9. solid becomes a liquid
  5. 11. smallest part of an element
  6. 14. the smallest part of a compound that still has the properties of that compound
  7. 16. half metal half non metal
  8. 17. liquid becomes a solid
  9. 18. good conductors of heat and electricity
  10. 19. substance without definite volume or shape
Down
  1. 1. amount of space an object takes up
  2. 4. when particles leave a liquid and become a gas
  3. 5. the measure of how fast particles move
  4. 6. atoms break down into parts that have electric charges
  5. 7. theory the idea that everything is made of small particles
  6. 8. physical property of matter
  7. 9. the amount of matter in an object
  8. 10. a substance that has a definite volume but no definite shape
  9. 12. does not conduct heat or electricity
  10. 13. anything that has mass and takes up space
  11. 15. ingredients that make up all other substances
  12. 16. substance that has a definite shape and volume