Lab Safety and Equipment

If you break glassware in the lab, you should...

• Tell the teacher
• Clean it up quickly before the teacher notices
• Scream at the top of your lungs

When in the lab...

• long sleeves and loose clothing should be rolled up
• closed toe shoes should be worn
• long hair should be pulled back
• all of the above

 If you do not understand a direction or part of a lab procedure, you should 

• skip it and go on to the next part.
• ask the instructor before proceeding
• try several methods until something works
• figure it out as you do the lab

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

• pour cold water on it
• use tongs
• pick up the end that looks cooler
• use a rag or paper towels

 The following footwear is best in the laboratory. 

• shoes appropriate for the weather
• open-toed shoes
• closed-toed shoes
• sandals

It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.

• True
• False

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 a laboratory fire erupts, immediately

• notify your instructor
•  run for the fire extinguisher
• throw water on the fire
•  open the windows

 After completing an experiment, all chemical wastes should be

• taken home
• dumped in the sink
• disposed of according to your instructor’s directions
• left at your lab station for the next class

 If a lab experiment is not completed, you should 

• make up some results
• come in during lunch and finish while eating lunch
• sneak in after school and work alone
• discuss the issue with your instructor