Lab Safety Review

Flammable materials, like alcohol, should never be dispensed or used near

• sink.

• an open door

• another student.

• an open flame.

If a laboratory fire erupts, immediately

• open the windows

• notify your instructor.

• run for the fire extinguisher.

• throw water on the fire.

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

• to improve your vision.

• any time chemicals, heat or glassware are used

• only if you don't have corrective glasses

• to avoid eye strain.

If you wear contact lenses in the school laboratory,

• take them out before starting the lab

• you do not have to wear protective goggles.

• advise your science instructor that you wear contact lenses.

• keep the information to yourself.

If you do not understand a direction or part of a lab procedure, you should

• skip it and go on to the next part

• ask the instructor before proceeding.

• try several methods until something works.

• figure it out as you do the lab.

After completing an experiment, all chemical wastes should be

• disposed of according to your instructor's directions.

• dumped in the sink.

• taken home.

• left at your lab station for the next class.

Tags

NGSS.MS-ESS3-3

If a lab experiment is not completed, you should

• come in during lunch and finish while eating lunch.

• make up some results

• discuss the issue with your instructor.

• sneak in after school and work alone.

You are heating a substance in a test tube. Always point the open end of the tube

• away from all people.

• toward yourself.

• toward your lab partner.

• toward another classmate.

You are heating a piece of glass and now want to pick it up. You should

• use a rag or paper towel

• pick up the end that looks cooler

• use tongs.

• pour cold water on it

You have been injured in the laboratory (cut, burn, etc.). First you should

• see a doctor after school.

• tell the science instructor at once

• apply first aid yourself.

• visit the school nurse after class