Biology Chapter 1 Review Crossword Puzzle

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Across
  1. 2. the scientific study of life
  2. 4. series of steps used to solve problems
  3. 7. the variable that is measured or observed
  4. 9. factor that can change in an experiment
  5. 10. information gathered in an experiment
  6. 11. change that involves stages
  7. 12. a logical conclusion
  8. 13. an explanation that has been supported by a vast amount of evidence
  9. 16. illustrates a relationship between variables
  10. 17. organism with one cell
  11. 18. process that seeks to maintain stable internal conditions
  12. 19. group that has a change in variables
  13. 21. change over time
  14. 22. controlled test to test a hypothesis
  15. 23. a signal that organisms react to
Down
  1. 1. organism with more than one cell
  2. 3. change that involves getting larger
  3. 5. the variable that is controlled by experimenter
  4. 6. molecule used to store genetic information
  5. 8. reproduction that requires only one parent
  6. 14. group that has no change in variables; used as a standard
  7. 15. direct method of gathering information in an orderly way
  8. 18. proposed scientific explanation
  9. 20. all the chemical reactions in an organism