Lab safety A
Flammable materials, like alcohol, should never be dispensed or used near ______________
fire/open flames/heat
when heating a substance in a test-tube you should always point the open end __________
away from others
What should always be used when you are handling hot glassware?
Gloves and tongs
What is the lab rule for open toes shoes?
Should not be worn
if you do not understand the directions you should _________
ask the teacher
what should you do if a lab fire erupts?
get out and inform teacher
when heating a piece of glass how should you pick it up?
with gloves or tongs
What kind of protection do personal eyeglasses provide?
Not as good as goggles
Horseplay and practical jokes in the lab are __________
prohibited
after completing an experiment all chemical wastes should be
disposed of according to teacher's instructions
when should approved eye protection devices be worn in the lab?
When using chemicals or heat
what should you do if you have been injured in the lab (cut, burn, etc.)?
inform the teacher and don't panic. Follow accident procedures. Wash cuts with soap and water, flood burns with cold water for several min.
Long hair must be ________
if a piece of equipment is not working properly you should ___________
inform the teacher
True or False: Hot glass looks the same as cold glass?
True
what should you do if a lab is not completed?
inform the teacher
when gathering glassware and equipment for an experiment, you should ________
be careful and check for cracks and broken glass
what is the lab rule for loose clothing?
avoid wearing. roll up sleeves.
If an acid is spilled on your skin you should wash at once with
plenty of water
Return all unused chemicals to their original containers
False- let the teacher dispose of them
This is the first person that should be made aware of any mishaps or accidents during a lab
What is the teacher?
Student E sits down at the lab table and immediately begins to read the lab directions and mixing unknown chemicals as indicated by the directions.
What is bad behavior? (The teacher did not tell them to start)
What is the lab rule for dangling jewelry?
take it off
when you finish working with chemicals, biological specimens, and other lab substances, you should ___________
Wash you hands thoroughly with soap and water
Lab work can be started immediately as you walk in the door.
False, wait for teacher instructions