Read all procedures thoroughly before entering the laboratory.
Never leave a lit burner unattended.
When you finish working with chemicals, biological specimens, and...
Chipped or cracked glassware is okay to use.
If you do not understand a direction or part of a lab procedure, you...
After completing an experiment, all chemical wastes should be
Long hair in the laboratory must be
If a piece of equipment is not working properly, stop, turn it off,...
It’s okay to pick up broken glass with your bare hands as long as...
If a lab experiment is not completed, you should
The following footwear is best in the laboratory.
Horseplay or practical jokes in the laboratory are
Never remove chemicals or other equipment from the laboratory.
You are heating a substance in a test tube. Always point the open end...
In a laboratory, the following should not be worn.
Laboratory work can be started immediately upon entering the...
Laboratory aprons should be worn during all lab activities.
Pipets are used to measure and dispense small amounts of liquids. You...
You are allowed to enter the chemical preparation/storage area any...
All chemicals in the lab are to be considered dangerous.
Approved eye protection devices (such as goggles) are worn in the...
All unauthorized experiments are prohibited.
You are heating a piece of glass and now want to pick it up. You...
Flammable materials, like alcohol, should never be dispensed or used...
If an acid is splashed on your skin, wash at once with
If a laboratory fire erupts, immediately
When gathering glassware and equipment for an experiment, you should
...
Personal eyeglasses provide as much protection as
If you wear contact lenses in the school laboratory,
Hot glass looks the same as cold glass.
Return all unused chemicals to their original containers.