If you see something in the classroom or laboratory that is dangerous, tell the teacher
Rags or paper towels with flammable liquids or solids on or in them must be put in
Any spill on the floor can cause an accident. Always clean it up
When you work with laboratory chemicals and bunsen burners, long hair must be
When you work with laboratory chemicals, equipment, or burners, you must wear
Whenever you are in the classroom or laboratory, you should wear
If you think there is something wrong with a piece of equipment you are using, stop, turn it off, and tell
If you break a piece of glassware or other equipment, tell the teacher
All floors, aisles, and passageways should be kept clear of
If you see a fire in an apparatus assembly or a burning liquid, such as alcohol, it is best to put it out with
Goggles are worn during science experiments.....
If you don't understand the directions or part of a lab procedure, you should -
After completing an experiment, all materials waste should be -
You have been injured in the lab (cut, burned, etc.) First you should -
When getting glassware and equipment for an experiment, you should -
Horseplay or practical joking in the lab are -
If a piece of equipment is not working you should tell -