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- 1. Successful Chemistry Lab An Instructional Module Developed by Janelle Shives Start
- 2. Overview • It is very important that you know what you are doing in chemistry lab. • Learning the info in this tutorial will save you a lot of time and help you stay safe Menu
- 4. Equipment • Bunsen burner • Striker Watch this video Menu Next
- 5. Equipment • Crucible • Crucible tongs Previous Menu Next
- 6. Equipment • Beakers • various volumes Previous Menu Next
- 7. Equipment • Watch glass • Can put chemicals on it or use as a beaker cover Previous Menu Next
- 8. Equipment • Graduated cylinder • Various volumes Previous Menu Next
- 9. Equipment • Test tubes • small • medium • large • Test tube rack • wood • plastic Previous Menu Next
- 10. Equipment • Ring stand • Holds test tube clamp • Or support ring Previous Menu
- 11. What to Wear? • Goggles • Gloves • Lab coat/apron Menu Next
- 12. What to Wear? • Hair tied back • Closed toed shoes Previous Menu
- 13. Types of Chemicals • Solid • Measured in mg or g • Often crystals • Remove from container with designated spatula only Menu Next
- 14. Types of Chemicals • Liquid • Measured in mL • Carefully pour into glassware • Examples • 0.1 M solution • 70% solution Previous Menu Next
- 15. Types of Chemicals • Gas • Not usually stored in lab • O2 in air often a reactant • NH3 or H2 can be products of reactions • NH3 detected by smell • H2 detected by lighting a match Previous Menu
- 16. Lab protocol • Never sniff chemicals • Waft using your hand • Never put chemicals back into storage jar • Discard any used chemical in proper receptacle Menu Next
- 17. Lab protocol Previous Menu Next
- 18. Lab protocol • How to read a graduated cylinder • Get at eye level with top of liquid • Look at bottom of the meniscus • See what line it falls on • This one is 47 mL Previous Menu Next
- 19. Lab protocol • Come prepared for lab • Read lab ahead of time • Review this tutorial • Dress appropriately • Write in notebook often • Record all weights & measures • Make observations Previous Menu Next
- 20. Lab protocol • You cannot leave lab until • All pertinent data has been collected • Chemicals disposed of properly • Glassware cleaned and placed on paper towel to dry • Equipment cleaned and put away • Lab bench wiped off • Hands washed Previous Menu
- 21. Emergency procedures • In case of fire • Carefully back away • Alert teacher to get fire extinguisher • Prepare to leave building if necessary Menu Next
- 22. Emergency procedures • In case of spill • Contain with paper towels • Wash off chemical from skin and clothing • Alert teacher to spill • Dispose of paper towels in proper receptacle Previous Menu Next
- 23. Emergency procedures • In case of chemical in eyes or on body • Immediately go to eye wash station • Turn on and hold eyes open in stream for 5 min • Use shower to get chemical off body if necessary • Alert teacher • Clean up spill Previous Menu Next
- 24. Emergency procedures • In case of broken glass • Alert teacher • Do not attempt to clean up on your own • Clean and bandage wound if cut Previous Menu Next
- 25. Emergency procedures • Remember always remain calm and alert your teacher Previous Menu
- 26. Self Quiz • Let’s see if you are ready for chemistry lab! Menu Begin Quiz
- 27. Question 1 What is the name of this piece of equipment? A. Test tube B. Volumetric flask C. Beaker D. Watch glass
- 28. Try Again
- 29. Next Question
- 30. Question 2 What must be worn before beginning every lab? A. Goggles B. Lab coat/apron C. Gloves D. All the above
- 31. Try Again
- 32. Next Question
- 33. Question 3 What is the name of this piece of equipment? A. Bunsen burner B. Ring stand C. Test tube stand D. Test tube holder
- 34. Try Again
- 35. Next Question
- 36. Question 4 If the lab says you need 0.5 M copper sulfate, you should be looking for? A. A solid B. A liquid C. A gas D. A plasma
- 37. Try Again
- 38. Next Question
- 39. Question 5 If anything concerning happens during lab what should you do? A. Rinse eyes B. Get fire extinguisher C. Tell teacher D. Ask a classmate what to do
- 40. Try Again
- 41. That’s the end of the quiz!
- 42. Learn More! • More equipment you should know here • Good site with flashcards for functions of equipment • Government chemistry lab safety guide. Pages 6-9 are for students (read about fake fingernails, yikes!) Next
- 43. Congratulations! You are ready for a fun, safe year in Chemistry Lab! Click Here to Exit
- 44. Photo Credits • Link to wafting picture (slide 16). • Photos of crucible, tongs, watch glass, graduated cylinder, test tube rack, ring stand, support ring were all from Amazon.com • 2 Videos from youtube.com