Vocabulary Review I

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Across
  1. 1. an explanation or sets of explanations for a series of observations supported by evidence
  2. 4. another name for a homogeneous mixture
  3. 7. a proposed explanation for an observation
  4. 8. the standard unit of volume
  5. 10. the substances that come from a reaction
  6. 14. a property that depends on the type of material in a sample
  7. 15. the amount of matter in a sample
  8. 19. how close a measurement is to another measurement
  9. 22. the process of separating a liquid from another liquid
  10. 23. the simplest form of matter that has a unique set of properties
  11. 25. the standard unit of mass
  12. 27. the standard unit of length
  13. 29. one or more substances changing into one or more new substances
  14. 31. anything that has mass and takes up space
  15. 32. a substance that contains two or more elements combined chemically
  16. 33. a physical blend of two or more components
  17. 34. the substances that begin in a reaction
Down
  1. 2. a type of mixture with a uniform composition
  2. 3. the standard unit of energy
  3. 5. matter with uniform and definite composition
  4. 6. a property that depends on the amount of a sample
  5. 9. a property of a sample that can be observed without changing the sample
  6. 11. a property of a sample as its ability to undergo a specific chemical change
  7. 12. the process of separating solids from a liquid in a heterogeneous mixture
  8. 13. the type of variable that is observed in an experiment
  9. 16. logical step-wise approach to solving problems
  10. 17. the study of matter and the changes matter undergoes
  11. 18. a quantity that has both a number and a unit
  12. 20. the type of variable that is changed in an experiment
  13. 21. a type of mixture without a uniform composition
  14. 23. the difference between the actual value and the experimental value
  15. 24. any part of a mixture with a uniform composition
  16. 26. the space occupied by a sample
  17. 28. the standard unit of temperature
  18. 30. how close a measurement is to the actual value