2. SAFETY IN THE
CLASSROOM LAB

3. EYE PROTECTION

4. EYE PROTECTION
1. Wear safety goggles
2. Know where the eyewash station is located and how to use it.

5. CLOTHING PROTECTION

6. 2. Tie back long hair, secure loose clothing, and jewelry.
CLOTHING PROTECTION
1. Wear a lab apron
2. Tie back long hair, secure loose clothing, and jewelry.

7. HAND SAFETY

8. 2. Allow hot items to cool before handling items
HAND SAFETY
1. Wear gloves
2. Allow hot items to cool before handling items

9. HEATING SAFETY

10. 2. Know where fire blanket and extinguisher are located
HEATING SAFETY
1. Never leave a heat source unattended while it is turned on.
2. Know where fire blanket and extinguisher are located

11. ELECTRICAL SAFETY

12. 1. Never work with electricity near water
ELECTRICAL SAFETY
1. Never work with electricity near water
2. Check all cords for cracks or tears

13. CHEMICAL SAFETY

14. 1. NO food or drinks in lab. NEVER taste chemicals.
CHEMICAL SAFETY
1. NO food or drinks in lab. NEVER taste chemicals.
2. Rinse chemicals off immediately if on skin, eyes or clothing

15. Corrosive Substance

16. Corrosive Substance
VERY caustic-can and will burn skin; wash immediately
Do NOT clean up-notify teacher

17. EXPLOSION PRECAUTION

18. 1. Use flammable chemicals in small amounts
EXPLOSION PRECAUTION
1. Use flammable chemicals in small amounts
2. NEVER mix chemicals together, unless instructed by teacher

19. GLASSWARE SAFETY

20. 1. Check glassware for cracks and chips
GLASSWARE SAFETY
1. Check glassware for cracks and chips
2. DO NOT pick up broken glass with your bare hands. Place broken glass in proper disposal container.

21. WASTE DISPOSAL

22. 1. Dispose of any chemical waste only as instructed by your teacher.
WASTE DISPOSAL
1. Dispose of any chemical waste only as instructed by your teacher.
2. ALWAYS dispose of waste properly

23. GAS PRECAUTION

24. 1. NEVER inhale or smell chemical fumes
GAS PRECAUTION
1. NEVER inhale or smell chemical fumes
2. ALL chemical reactions make gas

25. HYGIENIC CARE

26. 1. Keep your hands away from your face, eyes and mouth.
HYGIENIC CARE
1. Keep your hands away from your face, eyes and mouth.
2. Wash hands thoroughly after doing a lab

27. What’s wrong in this picture?

28. What’s wrong in this picture?

29. What’s wrong in this picture?

30. Top Ten Rules for the Lab
1. ALWAYS wear safety goggles and aprons!
2. Always wear the right clothing; closed-toe shoes = NO sandals; tie back long hair

31. 3. Read over the entire experiment before starting the lab.
4. Notify the teacher IMMEDIATELY of any problems.
5. Be aware of your surroundings in the lab.

32. 6. No food or drinks in the lab.
7. Always clean up lab area after every experiment.
8. Always wash hands after every lab.

33. 9. Absolutely no horse-play during a lab.
10. USE COMMON SENSE.
HAVE FUN AND LEARN!

34. Identifying Lab Equipment
Names of common lab equipment
Their uses

35. Mostly used to “swirl” substances; NOT for measuring out liquids
Erlenmeyer Flask
Mostly used to “swirl” substances; NOT for measuring out liquids

36. Funnel
Needed to slowly and accurately add substance

37. Graduated Cylinder
Precisely measure out liquids; usually in milliliters

38. Bunsen Burner
Most common way of heating substances

39. Watch Glass
Used for burning substances or place hot materials on to cool

40. Eye Dropper
Needed to add small amounts

41. Beaker
A “mixing” or “holding” container for substances; NOT for measuring amount

42. Florence Flask
Mostly used for boiling liquids

43. Wire Gauze
Used to protect beaker from direct flame of Bunsen burner

44. Ring Stand
Needed to set up certain apparatuses; can clamp different things to it

45. Ring Clamp
Used with ring stand; hold things

46. Test Tube
Needed when working with small amounts

47. Test Tube Holder Clamp
Holds a test tube so hands will not be in danger of burning

48. Tongs
Needed to move hot glassware; NOT used to pick up test tubes

49. Test Tube Rack
Holds test tubes

50. Triple Beam Balance
Needed to measure out solids, usually in grams