lab safety...Mansouri

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

• ask the teacher before proceeding.

• skip it and go on to the next part.

• figure it out as you do the lab.

• try several methods until something works.

If a fire erupts, immediately

(a)  

• run for the fire extinguisher
• throw water on the fire.
• notify the teacher.
• open the windows.

Approved eye protection devices (such as goggles) are worn in the laboratory

• only if you do not have corrective glasses.

• to avoid eye strain.

• to improve vision.

• any time chemicals, heat, or glassware are used.

After completing an experiment, all chemcial wastes should be

• disposed of according to your teacher's directions.

• left a your lab station for the next class.

• taken home.

• dumped in the sink.

What should you do if you break glass in the lab?

• Tell the teacher.
• Sweep up the glass.
• Pick up the glass with your hands.
• Ignore it; the teacher will clean it up when she sees it later.

What is this piece of lab equipment called?

• Beaker

• Graduated cylinder

• Test tube

• Funnel

This is a

• flask

• graduated cylinder

• beaker

• funnel

If you are conducting an experiment and you didn't label your chemicals what is the best thing to do?

• Ask a teacher for help

• Taste and smell each chemical

• Continue the experiment and hope to figure it out

• Just try to guess

Haley cut her finger during an experiment. She was able to stop the bleeding and did not feel it was necessary to tell the teacher. Has she followed the correct procedure?

• Yes

• No

While Griffin and Hannah were conducting an experiment, Hannah accidentally splashed chemical in her eye. Griffin tells the teacher, asks Hannah if she is wearing contact lenses, and the teacher takes Hannah to the eye wash station where he flushes Hannah's eye with plenty of water. Have the correct procedures been followed?

• Yes

• No