8-1 (LABORATORY SAFETY)

Which piece of laboratory equipment would be best for measuring out 6.5 mL of liquid?

• Measuring cylinder
• Beaker 
• Test tube 
• Conical flask

Which rule below would you NOT follow when using a Bunsen burner?

• Long hair must be tied back.
• Wear protective clothing and safety glasses.
• Place the Bunsen burner directly onto the unprotected bench.
• Keep the gas tap closed when attaching the rubber hose from the Bunsen burner.

When heating a test tube, it should be

• pointed away from yourself and other students
• held with two fingers
• filled completely with the liquid being heated
• heated over a tripod and gauze mat.

A measuring cylinder is a piece of equipment for:

• stirring mixtures
• heating substances
• measuring volumes of liquids
•  mixing and heating substances.

Which of the following is NOT a rule in the laboratory?

• Follow the teacher’s instructions.
• Look directly into a test tube.
• Wear protective clothing.
• Wait until equipment is cool before putting it away.

 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

 The following footwear is best in the laboratory. 

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

What safety symbol is this?

• Clothing Protection
• Hand Protection
• Eye Protection
• Sharp Object Hazard

What does this symbol indicate? 

• Fumes are present; ventilation required.
• Fumes are present; inhale deeply.
• Moisture is condensing; use a test tube to collect. 
• Spill safety.

Long hair in the laboratory must be 

• tied back or kept entirely out of the way with a hair band or hairpins
• always neatly groomed
• held away from the experiment with one hand
• cut short