Safety quiz

If you wear contact lenses in the school laboratory A. take them out before starting the lab. B. you do not have to wear protective goggles. C. advise your science instructor that you wear contact lenses. D. keep the information to yourself.

A. take them out before starting the lab

If a piece of equipment is not working properly, stop, turn it off, and tell A. the custodian. B. your lab partner. C. your best friend in the class. D. the science instructor.

D. instructor in class

If an acid is splashed on your skin, wash at once with A. soap. B. oil. C. weak base. D. plenty of water

D. plenty of water

Never leave a lit burner unattended. T or F

F

Draw a diagram of your science room and label the locations of the following: ■ Fire Blanket ■ Fire Extinguisher(s) ■ Exits ■ Eyewash Station ■ Emergency Shower ■ Closest Fire Alarm Station ■ Waste Disposal Container(s)

think about it

The following footwear is best in the laboratory A. sandals B. open-toed shoes C. closed-toed shoes D. shoes appropriate for the weather

C. closed toe shoes

All chemicals in the lab are to be considered dangerous T or F

T

All unauthorized experiments are prohibited. T or F

T

Hot glass looks the same as cold glass. T or F

T

Laboratory aprons should be worn during all lab activities. T or F

T

If you do not understand a direction or part of a lab procedure, you should A. figure it out as you do the lab. B. try several methods until something works. C. ask the instructor before proceeding. D. skip it and go on to the next part.

C. ask the instructor before proceeding

You have been injured in the laboratory (cut, burn, etc.). First you should A. visit the school nurse after class. B. see a doctor after school. C. tell the science instructor at once. D. apply first aid yourself.

C. tell the science instructor at once.

Personal eyeglasses provide as much protection as A. a face shield. B. safety glasses. C. splashproof chemical goggles. D. none of the above.

B. safety glasses.

If a laboratory fire erupts, immediately A. notify your instructor. B. run for the fire extinguisher. C. throw water on the fire. D. open the windows.

A. Notify your instructor

Horseplay or practical jokes in the laboratory are A. always against the rules. B. okay. C. not dangerous. D. okay if you are working alone

A. always against the rules

If a lab experiment is not completed, you should A. discuss the issue with your instructor. B. sneak in after school and work alone. C. come in during lunch and finish while eating lunch. D. make up some results.

A. discuss the issue with your instructor.

Flammable materials, like alcohol, should never be dispensed or used near A. an open door. B. an open flame. C. another student. D. a sink.

B. an open flame

After completing an experiment, all chemical wastes should be A. left at your lab station for the next class. B. disposed of according to your instructor's directions. C. dumped in the sink. D. taken home

B. disposed of according to your instructors directions

When you finish working with chemicals, biological specimens, and other lab substances, always A. treat your hands with skin lotion. B. wash your hands thoroughly with soap and water. C. wipe your hands on a towel. D. wipe your hands on your clothes.

B. wash your hands thoroughly with soap and water.

You are heating a piece of glass and now want to pick it up. You should A. use a rag or paper towels. B. pick up the end that looks cooler. C. use tongs. D. pour cold water on it

C. use tongs.

In a laboratory, the following should not be worn A. loose clothing. B. dangling jewelry. C. sandals. D. all of the above.

D. all

When gathering glassware and equipment for an experiment, you should A. read all directions carefully to know what equipment is necessary. B. examine all glassware to check for chips or cracks. C. clean any glassware that appears dirty. D. All of the above.

D. all of the above

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 A. lubricating the tubing with water or glycerin. B. using a towel or cotton gloves for protection. C. twisting the tubing and stopper carefully. D. all of the above.

D. all of the above

Approved eye protection devices (such as goggles) are worn in the laboratory A. to avoid eye strain. B. to improve your vision. C. only if you don't have corrective glasses. D. any time chemicals, heat or glassware are used.

D. any time chemicals, heat or glassware are use

You are heating a substance in a test tube. Always point the open end of the tube A. toward yourself. B. toward your lab partner. C. toward another classmate. D. away from all people.

D. away from all people.

Long hair in the laboratory must be A. cut short. B. held away from the experiment with one hand. C. always neatly groomed. D. tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.

D. tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.

Chipped or cracked glassware is okay to use T or F

F

It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash. T or F

F

Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present. T or F

F

Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth. T or F

F

Return all unused chemicals to their original containers. T or F

F

You are allowed to enter the chemical preparation/storage area any time you need to get an item. T or F

F

Never remove chemicals or other equipment from the laboratory T or F

T

Read all procedures thoroughly before entering the laboratory. T or F

T

Work areas should be kept clean and tidy T or F

T