Lab Safety Lesson

Multiple Choice

When is it OK to eat or drink in the lab?

• Always
• Never

Multiple Choice

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.

Multiple Choice

When should you tie back long hair or baggy clothing?

• When working with chemicals
• When working with a Bunsen burner
• When doing dissections.
• Any time you are working in the lab.

Multiple Choice

I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.

• True
• False

Multiple Choice

I will perform only those activities that have been authorized by the instructor.

• True
• False

Multiple Choice

I will immediately notify the instructor only about major accidents.

• True
• False

Multiple Choice

Horseplay, jokes, and pranks are appropriate in the science classroom at any time.

• True
• False

Multiple Choice

Part of lab safety includes reading the lab procedure...

• before doing the lab
• while doing the lab
• after doing the lab
• only if you think you really need it

Multiple Choice

When should safety goggles be worn?

• at all times in the lab
• when you feel like it
• when liquids could splash into your eyes OR when using glassware

Multiple Choice

You should never ______ chemicals in the lab. 

• taste
• touch
• smell
• all of the above

Multiple Choice

If you are not sure what to do during a lab activity:

• guess
• change lab partners
• ask a teacher
• just sit quietly and do nothing

Multiple Choice

Keeping your work area neat and clean is important because:

• My teacher is a neat-freak
• I won't lose my supplies in the clutter.
• It keeps the room from looking messy.
• It helps prevent accidents.

Multiple Choice

Helping to clean up the lab or classroom is the job of

• old students.
• transfer students.
• each and every student.
• only the teacher.

Multiple Choice

When in the lab you should wear...

• open-toed shoes.
• sandals.
• closed-toes shoes.
• no shoes.

Multiple Choice

When heating a substance in a test tube, the test tube should be pointed

• Towards you
• Away from you and others
• Away from others
• Towards others and away from you

Multiple Choice

Keep your work area free of all unnecessary books and papers

• TRUE
• FALSE

Multiple Choice

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

• True
• False

Multiple Choice

If a fire erupts, immediately

• notify the teacher.

• run for the fire extinguisher.

• throw water on the fire.

• open the windows.

Multiple Choice

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

• figure it out as you do the lab.

• try several methods until something works.

• ask the teacher before proceeding.

• skip it and go on to the next part.

Multiple Choice

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

• treat your hands with skin lotion.

• wash your hands thoroughly with soap and water.

• wipe your hands on a towel.

• wipe your hands on your clothes.

Multiple Choice

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

• treat your hands with skin lotion.

• wash your hands thoroughly with soap and water.

• wipe your hands on a towel.

• wipe your hands on your clothes.

Multiple Choice

If an acid is splashed on your skin, wash at once with

• soap.

• oil.

• weak base.

• plenty of water.

Multiple Choice

If a piece of equipment is not working properly, stop, turn it off, and tell

• the custodian.

• your lab partner.

• your best friend in the class.

• the science instructor

Multiple Choice

Horseplay or practical jokes in the laboratory are

• always against the rules.

• okay.

• not dangerous.

• okay if you are working alone

Multiple Choice

In a laboratory, the following should not be

worn.

• loose clothing.

• dangling jewelry.

• sandals.

• all of the above

Multiple Choice

The following footwear is best in the

laboratory.

• sandals

• open-toed shoes

• closed-toed shoes

• shoes appropriate for the weather

Multiple Choice

Long hair in the laboratory must be

• cut short

• held away from the experiment with one hand.

• always neatly groomed.

• tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.

Multiple Choice

Personal eyeglasses provide as much protection

as

• a face shield.

• safety glasses.

• splashproof chemical goggles.

• none of the above.

Multiple Choice

You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by

• lubricating the tubing with water or glycerin.

• using a towel or cotton gloves for protection.

• twisting the tubing and stopper carefully.

• all of the above

Multiple Choice

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

Multiple Choice

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 the science instructor at once

• apply first aid yourself

Multiple Choice

You are heating a piece of glass and now want

to pick it up. You should

• use a rag or paper towels.

• pick up the end that looks cooler

• use tongs.

• pour cold water on it.

Multiple Choice

You are heating a substance in a test tube. Always point the open end of the tube

• toward yourself.

• toward another classmate.

• toward your lab partner.

• away from all people

Multiple Choice

If a lab experiment is not completed, you should

• discuss the issue with your instructor.

• sneak in after school and work alone.

• come in during lunch and finish while eating lunch.

• make up some results.

Multiple Choice

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.

Multiple Choice

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.

Multiple Choice

If you wear contact lenses in the school laboratory,

• take them out before starting the lab.

• you do not have to wear protective goggles.

• advise your science instructor that you wear contact lenses.

• keep the information to yourself.

Multiple Choice

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.

Multiple Choice

If a laboratory fire erupts, immediately

• notify your instructor.

• run for the fire extinguisher.

• throw water on the fire.

• open the windows.

Multiple Choice

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

• an open door.

• an open flame.

• another student.

• a sink.