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Science Lab Safety. Always wear goggles and a lab apron There will be no exception to this rule!

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Presentation on theme: "Science Lab Safety. Always wear goggles and a lab apron There will be no exception to this rule!"— Presentation transcript:

1 Science Lab Safety

2 Always wear goggles and a lab apron There will be no exception to this rule!

3 2. Conduct yourself in a _______________ manner at all times in the laboratory. responsible

4 3. Study your lab assignment before you come to class and have your __________ completed. Pay particular attention to dangerous reagents or special safety precautions. Pre Lab

5 4. Never work in the lab without _______________________________ proper supervision

6 5. Never perform an _____________________ unauthorized experiment.

7 6. Never ______ by mouth and never _______ gases or other vapors. pipet inhale

8 7. Be careful with ____________________ glass equipment.

9 8. Never ________________________ in any part of this classroom. eat, drink or chew gum

10 9. Report any accident, injury, chemical spill or ______________ procedure at once. inappropriate

11 10. Tie back ________ and secure ___________________ long hair loose clothing

12 11. Do not leave a ________ burner unattended. lighted

13 12. Read labels of _____________ carefully before using the chemicals. containers

14 13. Never return ________ chemicals to a reagent bottle. Do not put a pipet, dropper or spatula in a reagent bottle – pour the reagent into a small beaker instead. unused

15 14. Always pour ____ slowly into water to dilute – never pour water into acid. (Remember: ADD ACID) acid

16 15. Place broken glass, solid substances and used chemicals in ___________ container. Never throw a chemical down the sink unless given permission by your teacher. designated

17 16. Keep your lab area as ______ as possible at all times. clean

18 17. _________________ with soap and water after each experiment. Wash your hands

19 18. To test the odor of a solution, do not hold it directly under nose. Hold it away and ____ your hand over the solution towards you. (wafting) wave

20 19. Use the __________ when working with volatile substances or poisonous vapors. vent hood

21 Emergency Situations 1. Spray fire extinguisher left to right at the base of the flame. Where is the fire extinguisher? ______________________

22 2. If clothing catches fire wall calmly to the safety shower. If your lab partner’s clothing catches fire use the fire blanket to smother the fire. How do you use the safety shower?_____________________ Where is the fire blanket?_____________

23 3. Corrosive chemicals splashed on skin should be flushed off promptly with copious amounts of flowing water for at least 10 minutes. If splashed on clothing, the clothing must be removed while under the safety shower. Stay under the shower for at least 10 minutes while your teacher calls the nurse or 911.

24 4. A corrosive chemical in the eye is a very serious matter. Get to an eye wash fountain immediately (within 15 seconds if possible). Wash the eye for at least 15 minutes while someone else calls the nurse. Keep the eyelid open fully; move the eyeballs up, down, left, right, criss-cross, round and round. How do you use the eye wash fountain?________________

25 Demonstration of Lab Safety Equipment

26 Equipment Review

27 Beaker Used to hold or heat liquids

28 Graduated Cylinder Used to accurately measure the volume of liquids

29 Erlenmeyer Flask Used to hold or heat liquids Used to store liquids

30 Florence Flask Used to hold or heat liquids Has a narrow top to prevent excessive evaporation NOT used to measure volume!!!!!!

31 Test Tube Holds or heats small amounts of liquid

32 Test Tube Holder Metal object with a spring handle to hold a test tube

33 Crucible Tongs Metal, many types, used to pick up and hold objects

34 Beaker Tongs Used to hold beakers

35 Clay Triangle Used support the crucible over flame OR used to hold a funnel over beaker

36 Crucible and Cover Heats small amounts of solid substances at high temperatures

37 Wire Gauze Spreads the heat of the flame

38 Bunsen Burner Metal heating device connected to gas outlet with rubber tubing used to heat chemicals in beakers or test tubes

39 Ring Stand Metal rod upright with heavy base used as a support

40 Micro Plate Plastic with 12-36 wells, used to hold liquids in micro equipment

41 Ring Clamp Attaches to ring stand, supports wire gauze or pipestem triangle

42 Test Tube Clamp Used to hold a single test tube on a ring stand

43 Mortar and Pestle Used to grind large crystals into a fine powder

44 Test Tube Rack Supports multiple test tubes

45 Wash Bottle Various sizes, squeezable plastic bottle with angular tip used to dispense distilled water

46 Test Tube brush Brush with wire handle use to scrub apparatus

47 Stirring Rod Glass rod used to stir combinations of materials or used in pouring liquids

48 Evaporating Dish Used to evaporate small amounts of liquids

49 Watch Glass Used to cover a beaker

50 Funnel Glass or plastic used to hold filter paper or used to aid in pouring

51 Forceps Metal used to pick up or hold small objects

52 Disposable Pipet Plastic used in micro experiments to transfer small amounts of liquid

53 Striker Metal with flint used to spark or light flame

54 Goggles Used to protect eye during a lab activity

55 Equipment Review I have who has

56 Make a Safety Poster

57 Brainstorming Class Rules


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