Lab Safety

When working in the lab, it is necessary to ____.

• know the location of and use of safety equipment
• tie long hair back
• wear closed toe shoes
• all the above

Which of the following is safe laboratory procedure?

• Taste unknown chemicals.
• Wear safety goggles when instructed to do so.
• Continue an experiment when you are unsure of the procedure.
• Mix all chemicals at the lab 

Harmful chemicals splashed in the eye should be treated by____.

• putting in eye drops.
• rubbing the eyes vigorously with your fingers.
• flushing the eyes with water for 20 minutes.
• flushing with a weak acid.

When you finish working with chemicals, biological specimens, and other lab substances, always ____.

• treat your hands with skin lotion.
• wash your hand thoroughly with soap and water.
• wipe your hands on a towel.
• wipe your hands on your clothes. 

There should not be any loud talking or horseplay in the lab because ____.

• your safety and the safety of others depends on your behavior.
• your teacher may have a headache.
• you may not be able to hear the bell ring for dismissal.
• you may not be able to hear the morning announcements. 

The care of the lab equipment is ____.

• the responsibility of your lab partner.
• the responsibility of your teacher. 
• your responsibility.
• the responsibility of the custodian. 

Your notebook accidentally catches fire during an experiment, you should ____.

• notify the teacher, then smother the fire with a damp rag, wet towel or fire blanket.
• throw it on the floor and tell your lab partner.
• carry the burning material to the trash can.
• throw it in the sink and pour water over it. 

If you were to cut your finger while working in the lab, you should ____.

• wrap a clean paper towel around it and continue working.
• not worry about it if it isn't bleeding too much.
• tell your teacher immediately.
• tell your lab partner. 

If you do not understand a direction or part of the 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 to the next part.

In which case should special care be taken to wash and dry hands? 

• After handling chemicals and dyes.
• After dissecting a specimen.
• After all science labs.
• After a class discussion.