Lab Safety

If a fire erupts, immediately

• run for the fire extinguisher.

• notify the teacher.

• throw water on the fire.

• open the windows.

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain.

• to improve your vision.

• only if you do not have corrective glasses.

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 and biological waste should be

• left at your lab station for the next class.

• taken home.

• dumped in the sink.

• disposed of according to your teacher’s directions.

Tags

NGSS.HS-LS2-7

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

• tied back or kept entirely out of the way with a hair band, etc.

• always neatly groomed.

• held away from the experiment with one hand.

• cut short.

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.

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.

The following activity is permitted (allowed) in the lab

• chewing gum

• eating

• drinking

• none of the above