Safety in the Science Lab

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

• an open door
• an open flame
• another student
• a sink

Safety 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 are used or glassware is heated

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

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

• visit the school nurse after class
• see a doctor after school
• tell your teacher immediately
• apply first aid yourself

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

In a laboratory, the following should not be worn

• loose clothing
• dangling jewelry
• sandals
• all of the above

Horseplay or practical jokes in the laboratory are

• always against the rules
• okay
• not dangerous
• okay if you are working alone