Flammable materials, like alcohol, should never be dispensed or used near
If a laboratory fire erupts, immediately
Approved eye protection devices (such as goggles) are worn in the laboratory
If you wear contact lenses in the school laboratory,
If you do not understand a direction or part of a lab procedure, you should
After completing an experiment, all chemical wastes should be
If a lab experiment is not completed, you should
You are heating a substance in a test tube. Always point the open end of the tube
You are heating a piece of glass and now want to pick it up. You should
You have been injured in the laboratory (cut, burn, etc.) First you should
When gathering glassware and equipment for an experiment, you should
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
Personal eyeglasses provide as much protection as
Long hair in the laboratory must be
In a laboratory, the following should not be worn
The following footwear is best in the laboratory
Horseplay or practical jokes in the laboratory are
If a piece of equipment is not working properly, stop, turn it off, and tell
If an acid is spashed on your skin wash it at once with
When you finish working with chemicals, biological specimens, and other lab substances, always
Place the pieces of safety equipment where they are located within Room 131 (Nardiello's class) - NOTE - We are skipping the last two (fire alarm and waste disposal)
Hot glass looks the same as cold glass
All chemicals in the lab are considered to be dangerous
Return all unused chemicals to their original containers
Work areas should be kept clean and tidy.
Pipets are used to dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
Laboratory work can be started immediately upon entering the laboratory even if the instructor in not present.
Never remove chemicals or other equipment from the laboratory.
Chipped or cracked glassware is okay to use.
Read all procedures before entering the lab with the exception of development of student-written procedures.
All unauthorized experiments are prohibited.
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
Laboratory aprons should be worn during all lab activities.
It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
Never leave a lit burner unattended.