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Safety and Rules of the Lab and Classroom

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Safety and Rules of the Lab and Classroom Ms. Onodera Chemistry D207 8/9/09 Part of this PowerPoint has been taken from the power point of .Tim Baker, Adam Kueltzo ... – PowerPoint PPT presentation

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Title: Safety and Rules of the Lab and Classroom


1
Safety and Rules of the Lab and Classroom
Ms. Onodera Chemistry D207 8/9/09
Part of this PowerPoint has been taken from the
power point of.Tim Baker, Adam Kueltzo, and Todd
Katz.former NCHS students originally posted on
the Lyndon B. Johnson High School Science Web Site
2
Classroom Rules
  • Be Safe (goggles, no horseplay!!!!)
  • Follow Directions
  • Be Respectful to others
  • Be Respectful to materials and equipment
  • Keep desks, lab areas, and common areas clean
  • Use appropriate recycling receptacles
  • Be all you can bea leader, good group member,
    good example, good student, good teacher, good
    communicator

3
Classroom Organization
  • Know location of garbage cans, paper towels,
    tissues, stapler, soap, lab baskets, lab areas,
    lab groups
  • Know location AND use of first aid
  • back pack, safety shower, eyewash,
  • fume hood, goggle cabinet, gas valves
  • Know fire and Code Red procedures including
    evacuation route and meeting place

4
Safety Symbols and Emergency Procedures
  • Know safety symbols and emergency procedures
  • They will alert you to possible dangers
  • They will remind you to work carefully

If you are unsure, ASK first! Common problems
include broken glassware, incorrect procedures,
unsafe lab practices.
5
  • Safety Symbols--Use the appendix in your
    textbook and copy the symbols and their meaning
    in your chemistry notebook

6
Be conscientious
  • Exercise Caution and Good Judgment
  • Follow all instructions given by the teacher
  • Notify the teacher immediately regarding any
    accident or unsafe areas

7
Use Your Head
  • Read lab instructions ahead of time
  • Always follow lab procedures
  • Never do an unauthorized experiment
  • If you do not know, ASK the teacher

If your eyes or skin have irritation, inform the
teacher wash affected area thoroughly
If you feel faint, ask the teacher for fresh air
put your head lower than your heart
8
Protect Yourself Eye Safety
  • Wear safety goggles as instructed (when working
    with chemicals, flames or heating devices, or if
    possibility of flying debris
  • Keep goggles and goggle cabinet clean and
    organized

9
Protect Yourself Eye Safety
The safety shower is in the back storage
areaused for large chemical spills on a person
  • In case of emergency in which a chemical goes
    into ones eye, use the eyewash stationlocated
    by goggle cabinet/front door

Know how to use the eye washflush for 10 or more
minutes.
10
Protect Yourself Proper Attire
  • Tie back hair and loose clothes when working with
    open flames
  • Do not wear loose clothing that could catch on
    fire
  • Foot wear that completely covers the foot is
    required

11
Protect Yourself
  • Keep books picked up out of walking aisles
  • Handle all equipment carefully
  • Keep lab baskets, lab tables, chemical areas
    clean and organized

12
Protect Yourself
 
 
  • Notify teacher if you get cut clean with
  • soap and water (do not use first aid back back
    for general purposeslocated by back
    door teacher will give you band-aid)
  • Broken glass and sharp objects do not go in trash
    cansthere is a broken glassware container by
    the door
  • Unplug electrical equipment after use keep
    all electrical cords, wires, and appliances away
    from water and heat sources

 
 
13
Classroom Protection
Gas valvesperpendicular is off parallel is on
14
Heating Safety
  • Never look into a container as you are heating
    it or point the
  • end of a test tube being
  • heated at yourself or others
  • Never heat in a closed container
  • Never leave a heat source unattended
  • Heated metal and glass
  • looks cool, use tongs or
  • gloves before handling

15
Chemical Safety
  • Never touch, taste, or smell a chemical unless
    instructed by the teacher (use tongs!)
  • Only use the type and amount of chemical
    instructed to use
  • Never mix chemicals unless instructed to do so
  • Never return chemicals to original containers
    (contamination!)
  • Keep lids on chemical containers when not in use
  • When diluting an acid, pour the acid into water
  • Follow teacher instructions for disposal of
    chemicals
  • Consider all chemicals dangerous (if you dont
    know, ASK!)

 
 
16
In case of an emergency
Fire extinguisher and fire blanket are located by
back storage entrance
  • Know the locations of
  • fire extinguisher
  • fire blanket
  • body shower
  • eyewash station
  • first aid kit
  • If you spill a harmful chemical on yourself or in
    your eyes, start rinsing immediately and send
    your partner to get teachers help

17
Minor cutsdo not need to let bleedbut make sure
area is cleaned well
All of this information should be in your
notebook. Use the appendix in your textbook.
18
You Should Never
  • Engage in.
  • practical jokes
  • horse play
  • rough house
  • Eat or drink in the lab

BE unSAFE!
19
You Should Always
  • Maintain a clean work area
  • Read and follow all directions
  • Report any spills, accidents, or injury to the
    teacher immediately
  • Clean and put away all equipment at the end of
    the lab period
  • Dispose of waste products according to instruction

Dont be like Archie!
BE SAFE!
20
2010-2011 Events Serve as Reminders
  • A student took off her goggles for just a
    moment while working with acids and bases. She
    used the eye wash and paramedics were called.
  • A students jacket caught on fire when she turned
    away from the flame. The jacket was destroyed,
    but luckily it was caught right away. Todays
    materials are not fire resistant.

21
2010-2011 Events Serve as Reminders
  • The trash can caught on fire after a lab. The
    fire extinguisher was used and the fire
    department came. Students were evacuated and a
    report was written.

22
Know your equipment
  • Draw in your notebook and provide the use for the
    following 10 items
  • 1) beaker, 2) Erlenmeyer flask, 3) graduated
    cylinder, 4) pipette, 5) balance, 6) weighing
    dish, 7) funnel, 8) ring stand/O-ring, 9) Bunsen
    burner, and 10) well plate.
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