L.5: Lab Safety Mastery Check

If a fire erupts, immediately

• notify the teacher.

• run into the storage closet.

• throw water on the fire.

• open the window.

If you do not understand a direction or part

of a laboratory procedure, you should:

• figure it out as you do the lab.

• try several methods until something

  works.

• ask the teacher before proceeding.

• skip it and go on to the next part.

After completing an experiment, all chemical

wastes should be:

• left at your lab station for the next class.

• disposed of according to your teacher’s

  directions.

• dumped in the sink.

• taken home.

You have been injured in the laboratory (cut,

burned, etc.). First you should:

• visit the school nurse after class.

• see a doctor after school.

• tell the teacher at once.

• apply first aid yourself.

Long hair in the laboratory must be:

• cut short.

• held away from the experiment with one

  hand.

• always neatly groomed.

• tied back or kept entirely out of the way

  with a hair band, etc.

Which of the following should NOT be worn

during a laboratory activity?

• loose clothing

• dangling jewelry

• sandals

• All of the above.

Horseplay, practical jokes, or pranks in the

classroom are:

• always against the rules.

• okay.

• not dangerous.

• okay if you are working alone.

The following activity is permitted in the

laboratory:

• chewing gum

• eating

• drinking

• None of the above.

Work areas should be kept clean and

tidy.

• True

• False

Laboratory work may be started

immediately upon entering the

laboratory even if the teacher is not yet

present.

• True

• False