Lab Safety

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

• an open door

• an open flame

• another student

• a sink

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 is 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

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 onit

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

• visit the school nurse after class

• see the doctor after school

• tell the science instructor at once

• apply first aid yourself

Personal eyeglasses provide as much protection a

• a face shield

• safety glasses

• splashproof chemical goggles

• none of the above

Tags

NGSS.MS-ETS1-3

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

In the laboratory, the following should not be worn

• loose clothing

• dangling jewelery

• sandals

• all of the above

The following footwear is the best in the laboratory

• sandals

• open-toed shoes

• closed-toe shoes

• shoes appropriate for the weather

Horseplay or practical jokes in the laboratory are

• always against the rules

• okay

• not dangerous

• okay if you are working alone