Beakers, Burners and Beyond

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Across
  1. 5. Small necked flask
  2. 7. Poisonous chemicals have this label
  3. 9. Measures temperature
  4. 12. Place 12 across on this
  5. 15. Protects sight during experiments
  6. 17. Kaboom!
  7. 18. Used to hold and heat chemicals
  8. 19. Most important person in the room
  9. 20. Pour liquid into small things
Down
  1. 1. Piece of equipment used for heating
  2. 2. Used to add drops of liquid
  3. 3. Worn over clothes during experiment
  4. 4. This piece of equipment has 3 legs
  5. 6. Light a flame
  6. 8. Holds small quantities of chemicals
  7. 10. Evaporate liquid
  8. 11. Used for holding things
  9. 13. Catches fire easily
  10. 14. Holds multiple of 8 down
  11. 16. Accurately measure liquid