A Mad Scientist

1
A Mad Scientists Lab Safety Presentation

• Rules and Guidelines

2
The Big No-Nos

• No eating or drinking in the lab.
• This means no gum, cough drops, applying
  chapstick, chewing hair ends, holding a pencil in
  your mouth, nail-biting, etc.
• Never use lab glassware as food or drink
  containers.
• Never taste any substances or draw any material
  into a tube with your mouth.
• Never inhale chemicals.
• No Horseplay of any kind
• No unauthorized experimentation

3
Protect Yourself

• Use proper safety protection
• Goggles for eyes
• Lab apron to protect clothes
• Gloves to protect hands (chemical/heat)
• Tie hair backits flammable!
• Roll up long sleeves remove dangling jewelry.
• Touch substances only when told to do so
• Smell substances using the proper technique
  (wafting fumes toward you)
• Wash hands after handling substances and before
  leaving the Lab

4
Lab Procedures

• Prepare a clear work environment
• No books in the way
• Only materials need for lab
• Read ALL instructions and wait for permission to
  start do not touch materials until instructed
• Work quietly and carefully
• Observe good housekeeping practices.  Work areas
  should be kept clean and tidy at all times. 
• Clean up all spills Immediately AND inform the
  teacher

5
More Lab Procedures

• Dispose of broken glassware as instructed by your
  teacher
• Report broken or damaged equipment immediately
  (DO NOT USE IT)
• Clean up work area completely when you are
  finished
• Wash/dry all glassware thoroughly and return as
  directed by your teacher
• Report all accidents to the teacher immediately
  (no matter how minor)

6
Protect Yourself

• Know about MSDS forms
• Material Safety Data Sheets
• Show proper storage and handling of chemicals
• Discuss hazards and safety when using chemicals
  including disposal
• NEVER TASTE and always WAFT when checking odors
• Use carefully, especially when pouring and
  measuring

7
Safety Equipment
What and Where?
8
Symbols
General Warning
Corrosive
Biohazard
Fire
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
HAZARD LABELS
Explosive
Poison
9

• When entering the classroom, a student sees the
  lab setup above. What should the student do next?
• Turn on the water faucet
• Cut the leaves into small pieces to prepare for
  the experiment
• Organize the lab equipment so everything is ready
  to begin
• Wait for the teacher to give instructions

Wait for the teacher to give instructions
10
To be safe, which of these should not be worn
when collecting grass samples from a large
field? A. Gloves B. Long pants C. Sunscreen D.
Open-toed shoes
Open-toed shoes
11
Which item would be safe to mix with chlorine
bleach? A. Sulfuric Acid B. Ammonia C.
Vinegar D. Water
Water