Chemistry Unit 1

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Across
  1. 3. Procedure used to test a hypothesis.
  2. 4. The variable that you change in an experiment.
  3. 5. Contains two or more elements chemically combined in a fixed proportion.
  4. 9. A proposed explanation for an observation.
  5. 10. The study of matter and the changes it undergoes.
  6. 12. Well-tested explanation for a broad set of observations.
  7. 13. Concise statement that summarizes the results of many observations and experiments.
  8. 14. Simplest form of matter that has a unique set of properties.
  9. 15. The ratio of the mass of an object to its volume.
Down
  1. 1. Physical blend of two or more components.
  2. 2. The measure of how close a series of measurements are to one another.
  3. 6. The variable that is observed during the experiment.
  4. 7. The difference between the experimental value and the accepted value.
  5. 8. The measure of how close a measurement comes to the actual or true value.
  6. 11. Anything that has mass and takes up space.