CROSSWORD LAB

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Across
  1. 4. a thin glass tube used in the lab
  2. 9. CO2
  3. 10. they can be really toxic so watch out for their fumes!
  4. 11. the force on an object due to gravity
  5. 13. HNO3
  6. 16. water, wind or solar energy are...
  7. 18. your phone battery runs on it
  8. 20. the curved surface of a liquid in a container
Down
  1. 1. they protect your eyes in the lab
  2. 2. lemon, vinegar and black coffee are...
  3. 3. the lightest element in the universe
  4. 5. you carry it out in a lab
  5. 6. use them to protect your hands
  6. 7. don't forget it to protect your clothes
  7. 8. longitudinal or transverse
  8. 12. an extremely small piece of matter with a negative electrical charge
  9. 14. wood, coal, petrol and gas are some examples of it
  10. 15. a synonym for dangerous
  11. 17. bleach and soapy water are...
  12. 19. never sniff them!