Chapter 1: INTRODUCTION TO CHEMISTRY

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Across
  1. 4. the study of the composition of matter and the changes the matter goes through
  2. 8. a proposed explanation for an observation
  3. 9. the "manipulated variable" or the variable that you change during an experiment
  4. 11. a concise statement that summarizes the results of many observations and experiments
  5. 12. anything that has mass and takes up space
Down
  1. 1. objects that can only be seen with magnification
  2. 2. the "responding variable" or the variable that is observed during the experiment
  3. 3. objects large enough to see
  4. 5. a procedure that is used to test a hypothesis
  5. 6. a logical, systematic approach to the solution of a problem
  6. 7. when you use your senses to obtain information
  7. 10. a well-tested explanation for a broad set of observations