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Flammable materials, like alcohol, should never be dispensed or used near
an open flame
If a laboratory fire erupts, immediately
notify your instructor
Approved eye protection devices (such as goggles) are worn in the laborator
anytime chemicals heat or glassware are used
If you wear contact lenses in the school laboratory
advise your science instructor that you wear contact lenses
advise your science instructor that you wear contact lenses
ask the instructor before proceeding
After completing an experiment, all chemical wastes should be
disposed of according to your instructor's directions.
If a lab experiment is not completed, you should
discuss the issue with your instructor
You are heating a substance in a test tube. Always point the open end of the tube
away from all people
You are heating a piece of glass and now want to pick it up. You should
use tongs
You have been injured in the laboratory (cut, burn, etc.). First you should
tell the science instructor at once
When gathering glassware and equipment for an experiment, you should
read all directions carefully to know what equipment is necessary, examine all glassware to check for chips or cracks, and clean any glassware that appears dirty.
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
lubricating the tubing with water or glycerin, using a towel or cotton gloves for protection, and twisting the tubing and stopper carefully.
Personal eyeglasses provide as much protection as
none of the following: a face shield, safety glasses, and/or splashproof chemical goggles.
Long hair in the laboratory must be
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.
In a laboratory, the following should not be worn
loose clothing, dangling jewelry, or sandals.
The following footwear is best in the laboratory.
closed-toed shoes
Horseplay or practical jokes in the laboratory are
always against the rules
If a piece of equipment is not working properly, stop, turn it off, and tell
the science instructor
If an acid is splashed on your skin, wash at once with
plenty of water
When you finish working with chemicals, biological specimens, and other lab substances, always
wash your hands thoroughly with soap and water
T or F - Hot glass looks the same as cold glass.
True
T or F - All chemicals in the lab are to be considered dangerous.
True
T or F - Return all unused chemicals to their original containers.
False
T or F - Work areas should be kept clean and tidy.
True
T or F - Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
False
T or F - Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
False
T or F - Never remove chemicals or other equipment from the laboratory.
True
T or F - Chipped or cracked glassware is okay to use
False
T or F - Read all procedures thoroughly before entering the laboratory.
True
T or F - All unauthorized experiments are prohibited.
True
T or F - You are allowed to enter the chemical preparation/storage area any time you need to get an item.
False
T or F - Laboratory aprons should be worn during all lab activities.
True
T or F - It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
False
T or F - Never leave a lit burner unattended.
True