Science

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Across
  1. 3. / the introduction of harmful substances or products into the environment
  2. 5. / a major discovery.
  3. 8. / a dangerous weapon.
  4. 9. / to protect your eyes during experiments.
  5. 11. / your science teacher wants you to clear it after an experiment.
  6. 14. / a test to discover or prove something.
Down
  1. 1. / a mountain or hill, usually having a crater at the top.
  2. 2. / you have to wear them to protect your hands while doing experiments.
  3. 4. / substance produced by or used in chemistry.
  4. 6. / synonym of danger.
  5. 7. / make better.
  6. 10. / find a solution.
  7. 12. / you have to tie it before doing experiments.
  8. 13. / statistics, facts or infomation.