Lab safety
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
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by ___________
lubricate tubing with water, use a towel or gloves for protection, twist tubing carefully
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
what is the first thing you should do if you have been injured in the lab ?
inform the teacher
Wearing eye protection follows what rule?
Lab Safety rule #3
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
Long hair must be ________
if a piece of equipment is not working properly you should ___________
inform the teacher
What is lab safety rule #5
Do not eat or drink or smoke anything in the lab at any time. Do not use any lab containers for food or drink.
what should you do if a lab is not completed?
inform the teacher
when gathering glassware and equipment for an experiment, you should ________before using
be careful and check for cracks and broken glass
what is the lab rule for loose clothing?
tie back somehow
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
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