Chemical Reactions Lessons 1 & 2

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Across
  1. 3. A suggested solution to the problem that must be testable. An educated guess
  2. 9. the variable that can change and is being tested
  3. 12. A state of matter with no definite shape or volume
  4. 13. the first step in the scientific process
  5. 14. something that stays the same in an experiment
  6. 15. the results that are measured during an experiment
  7. 16. a group of things, or parts that function together
  8. 17. is the amount of matter in an object (grams)
Down
  1. 1. The answer to the hypothesis based on the data from the experiment.
  2. 2. A state of matter that has no definite shape but has a definite volume.
  3. 4. anything that takes up space. Can exist as a solid, liquid or gas. Matter has mass.
  4. 5. A procedure to test the hypothesis.
  5. 6. matter can exit or enter
  6. 7. when a solid breaks apart into particles too small to see and it mixes completely in the liquid
  7. 8. Information gathered during an experiment
  8. 10. A form of matter that has a definite shape and volume
  9. 11. matter cannot enter or exit