Working Scientifically

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Across
  1. 3. A shallow dish used for culturing bacteria
  2. 7. A common piece of laboratory equipment that produces a single open gas flame
  3. 8. Worn to protect clothing and skin from chemicals
  4. 10. A decision based on experimental results
  5. 12. A proposed explanation for an observation, needing to be tested
  6. 13. A simple container used to stir, mix, and heat liquids in a laboratory
  7. 14. An instrument used to see objects too small for the naked eye
  8. 16. Information gathered during an experiment
  9. 17. A standard for comparison in an experiment
  10. 18. A narrow-mouthed container used to transport, heat or store substances
  11. 19. A factor that can be changed in an experiment
  12. 20. A well-tested explanation for a broad set of observations
Down
  1. 1. A device used to extinguish small fires in emergency situations
  2. 2. Symbolic representations warning of the risks associated with substances or activities
  3. 4. A controlled test to determine if a hypothesis is correct
  4. 5. Worn to protect eyes from harmful substances
  5. 6. A tool used in laboratories to transport a measured volume of liquid
  6. 9. An accidental release of a hazardous substance that could cause harm
  7. 11. Gathering data through the senses or scientific tools
  8. 15. A machine that separates mixtures by spinning them at high speed