Introduction to Science

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Across
  1. 1. This symbols warn you that its fumes can cause irritation to your skin, eyes, nose and throat.
  2. 3. This is the S.I. unit of time that is equal to 1/1000s
  3. 5. You can use this to measure volume of liquids.
  4. 9. You use water and do this if any substance gets into your eyes as a first action.
  5. 10. You follow laboratory safety rules as ___________ to prevent harm or injury
  6. 15. This was an ancient methods of measuring time that cannot be used at night.
  7. 18. This substance you disinfect if you accidentally cuts yourself in the lab.
  8. 21. Mass is defined as the amount of ________ in a body.
  9. 23. This is readily available in the lab incase of fire accidents.
  10. 24. You used this apparatus for mixing and heating small amount of chemicals, but not for boiling.
  11. 25. this is only produced by luminous flame because there is not enough oxygen during combustion.
  12. 27. This substance can react violently when heated
  13. 28. This apparatus is used in a process called filtration.
Down
  1. 2. things you use in the lab for doing experiments
  2. 4. A field of study that help you understand things through observation and experiment
  3. 6. If you tamper with this, you might get electrocuted.
  4. 7. This type of flame will occur when you light up a match with a closed air hole.
  5. 8. Weight is affected by ___________.
  6. 11. This symbol can be used in disposable plastic that contain ART kit that has been used because it may contain viruses.
  7. 12. You are recommended to wear this for safety when mixing and heating chemicals
  8. 13. This is abbreviation used for as standard measurement for scientist around the world.
  9. 14. This substance can cause most object to melts away.
  10. 16. This is the main reason why we need to use instruments to measure the different quantity in science.
  11. 17. Without this, bunsen burner will not be able to produce any flame.
  12. 19. You must follow this procedure if uncontrollable fire happens in the lab
  13. 20. This type of balance is more faster accurate than a triple beam balance.
  14. 22. This part of bunsen burner can cause the flame to change their color.
  15. 26. This apparatus help to support and spread heat during heating.