Science and the laboratory

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Across
  1. 3. the study of Earth
  2. 6. amount of matter
  3. 8. yellow flame on a Bunsen burner
  4. 10. tells you how you did the experiment
  5. 14. looking for trends in the results
  6. 15. the study of living things
  7. 16. used in the laboratory to provide heat
  8. 17. poisonous
  9. 19. where a scientist works
Down
  1. 1. the study of forces and energy
  2. 2. heating device
  3. 4. sub-groups of science
  4. 5. what you have found out
  5. 7. a practical investigation performed mainly inside a laboratory
  6. 9. the study of space
  7. 10. the study of behaviour
  8. 11. the measurements and observations made in an experiment
  9. 12. changing only one variable at a time
  10. 13. the study of chemicals and their reactions
  11. 18. the study of the environment
  12. 20. what you are trying to do