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