7th Grade 1st Nine Week Review

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Across
  1. 5. definite volume but no definite shape
  2. 8. substance results form a chemical reaction
  3. 11. definite shape and volume
  4. 15. object will sink or float
  5. 16. amount of matter in an object
  6. 20. total mass of the reactants will always equal the mass of the products in a chemical reaction
  7. 22. anything that takes up space and has mass
  8. 23. substances undergoing the change in a chemical reaction
  9. 24. no definite shape or volume
  10. 25. a chemical reaction takes place and at least one new product is made
Down
  1. 1. energy cannot easily pass through material
  2. 2. form that matter exists in
  3. 3. removing sand from water
  4. 4. the physical state of matter is an example of
  5. 6. another term fora characteristic or quality
  6. 7. removing iron from cereal
  7. 9. something that is hard to observe
  8. 10. removing salt from water
  9. 12. a change in the physical properties of a substance
  10. 13. separating oil and water
  11. 14. force of attraction between certain metals
  12. 17. ability that a substance will dissolve
  13. 18. separating gravel from sand
  14. 19. measures how much space matter takes up
  15. 21. energy can easily pass through material