Safety

After completing an experiment, all chemical wastes should be

• taken home.

• disposed of according to your instructor's directions.

• dumped in the sink.

• taken home.

Tags

NGSS.MS-ESS3-3

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.

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

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 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.