Flammable materials, like alcohol, should never be

dispensed or used near

• an open door.

• an open flame.

• another student.

• a sink.

If a laboratory fire erupts, immediately

• notify your instructor.

• run for the fire extinguisher.

• 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 don’t have corrective glasses.

• any time chemicals, heat or glassware are used.

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

• figure it out as you do the lab.

• try several methods until something works.

• ask the instructor 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 instructor’s directions.

• dumped in the sink.

• taken home.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

If a lab experiment is not completed, you should

• discuss the issue with your instructor.

• sneak in after school and work alone.

• come in during lunch and finish while eating lunch.

• make up some results.

You are heating a substance in a test tube. Always point

the open end of the tube

• toward yourself.

• toward your lab partner.

• toward another classmate.

• away from all people.

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

• use a rag or paper towels.

• 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

• visit the school nurse after class.

• see a doctor after school.

• tell the science instructor at once.

• apply first aid yourself.