Lab Safety

All accidents in the lab, no matter how small, should be reported immediately to—

• your next period teacher.

• the closest lab group.

• your teacher.

• the custodian.

When you finish working with chemicals, biological specimens, and other lab substances, always—

• treat your hands with skin lotion.

• wash your hands thoroughly with soap and water.

• wipe your hands on a towel.

• clean hands with hand sanitizer.

Which of the following is a correct statement about when you should wear goggles? Wear goggles— .

• when the Bunsen burner at your table is lit

• until your lab table is finished with a lab

• until you are finished with a lab

• until the entire class is finished with a lab or instructed by your teacher

Which of the following is not a safe lab procedure?

• Clean up the lab work area at the end of the period according to instructions.

• Read a lab procedure/assignment before coming to class.

• Wear a lab apron and goggles for experiments.

• Help friends at another table while you are waiting for water to boil.

Microscopes are very delicate, expensive instruments. They should always be carried with—.

• One hand

• Two hands

• Two people sharing the weight of the microscope equally

• The revolving nosepiece in one hand and the stage in the other hand

Broken glass should be—.

• picked up with your hands

• thrown away in any trash can

• left for the next class to clean up

• swept into a dustpan and disposed of in the sharps container

When using a scalpel, razor blade, or scissors, you should cut—

• toward yourself

• away from yourself and others

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.

If you wear contact lenses in the school laboratory,—

• take them out before starting the lab.

• you do not have to wear protective goggles.

• you should wear non-vented goggles.

• keep the information to yourself.

If you do not understand a direction or part of a lab 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.