Science Crossword Puzzle

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Across
  1. 4. comparing things in an experiment
  2. 5. what stays the same in an experiment
  3. 8. the use of scientific discoveries to meet our needs and wants
  4. 11. the study of the Earth's atmosphere
  5. 13. what is mass over volume
  6. 14. the study of rock and land formations
  7. 15. what is the variable that is tested
  8. 16. the metric system is used
  9. 18. what do we use to measure mass
  10. 21. an educated guess
  11. 22. how many variables should we test in an experiment
  12. 24. an explanation backed up by evidence or result from test is a scientific
Down
  1. 1. energy at rest
  2. 2. stick what do we use to measure length
  3. 3. the step in the scientific method that starts with "the data shows."
  4. 6. energy in motion
  5. 7. the study of Earth's water
  6. 9. cylinder what do we use to measure volume
  7. 10. method the six steps in an experiment
  8. 12. cm abbreviated is
  9. 17. a description of the behavior of something in nature is a scientific
  10. 19. the study of stars and space
  11. 20. what is the variable that is being measured
  12. 23. the most common element on Earth