chapter 2 Science 7th grade

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Across
  1. 2. changes from liquid to gas
  2. 3. definite shape and volume
  3. 7. chemical reaction where plants and unicellular organisms produce sugar and oxygen when exposed to light
  4. 9. property a substance can combine with another substance to change into a new substance
  5. 10. change from solid to liquid
  6. 11. of conservation of mass total mass before a reaction is the same as after a reaction
  7. 14. change a change in size, shape, form that does not change the identity
  8. 15. point where a substance changes from a liquid to a gas
  9. 16. amount of space matter occupies
Down
  1. 1. mix evenly
  2. 4. mass per unit of volume
  3. 5. amount of matter in an object
  4. 6. change change in matter where a new substance is produced
  5. 8. ability of 1 material to dissolve in another
  6. 12. definite volume not definite shape
  7. 13. no definite shape or volume
  8. 14. property characteristic you can observe
  9. 17. point point at which things change from solid to liquid