Lab Safety Flinn

Lab Safety for CCHS

by David Blankenship

Multiple Choice

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.

Multiple Choice

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.

• D.  a sink.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

Personal eyeglasses provide as much protection as

• A.  a face shield.

• B.  safety glasses.

• C.  splashproof chemical goggles.

• D.  none of the above.

Multiple Choice

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.

Multiple Choice

In a laboratory, the following should not be worn.

• A.  loose clothing.

• B.  dangling jewelry.

• C.  sandals.

• D.  all of the above.

Multiple Choice

The following footwear is best in the laboratory.

• A.  sandals

• B.  open-toed shoes

• C.  closed-toed shoes

• D.  shoes appropriate for the weather

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

If an acid is splashed on your skin, wash at once with

• A.  soap.

• B.  oil.

• C.  weak base.

• D.  plenty of water.

Multiple Choice

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.

Multiple Choice

Hot glass looks the same as cold glass.

 

• True

• False

Multiple Choice

All chemicals in the lab are to be considered dangerous.

• True

• False

Multiple Choice

Return all unused chemicals to their original containers.

• True 

• False

Multiple Choice

Work areas should be kept clean and tidy.

• True

• False

Multiple Choice

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

• True

• False

Multiple Choice

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

• True

• False

Multiple Choice

Never remove chemicals or other equipment from the laboratory.

• True

• False

Multiple Choice

Chipped or cracked glassware is okay to use.

 

• True

• False

Multiple Choice

Read all procedures thoroughly before entering the laboratory.

• True

• False

Multiple Choice

All unauthorized experiments are prohibited.

• True

• False

Multiple Choice

Laboratory aprons should be worn during all lab activities.

• True

• False

Multiple Choice

It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.

• True

• False

Multiple Choice

Never leave a lit burner unattended.

• True

• False

Multiple Choice

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

• True

• False