Safety & Equipment Practice Quiz

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

• An open door

• An open flame

• Another student

• A sink

Tags

NGSS.HS-ETS1-3

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 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.HS-ETS1-3

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

When gathering glassware and equipment for an experiment, you should

• Read all directions carefully to know what equipment is necessary

• Examine all glassware to check for chips or cracks

• Clean any glassware that appears dirty

• All of the above

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 with a hair band, hairpins or other confining device

Horseplay or practical jokes in the laboratory are

• Always against the rules

• Okay

• Not dangerous

• Okay if you are working alone

If a piece of equipment is not working properly, stop, turn it off, and tell

• The custodian

• Your lab partner

• Your best friend in the class

• The science teacher