Terri Vincent
Test por , creado hace más de 1 año

Make sure your students know how to be safe in the lab before undertaking any experiments

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Terri Vincent
Creado por Terri Vincent hace más de 7 años
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Laboratory Safety Quiz

Pregunta 1 de 24

1

Why is it important to know the names and appearance of lab equipment before doing laboratory work?

Selecciona una de las siguientes respuestas posibles:

  • So you will score higher on the lab test.

  • So you can quickly obtain your laboratory supplies before lab.

  • So you can follow the lab instructions clearly.

  • So you can make sure everything has been cleaned before beginning the lab procedure.

Explicación

Pregunta 2 de 24

1

What is the correct procedure to follow when smelling the odour of a chemical substance?

Selecciona una de las siguientes respuestas posibles:

  • Fan your hand over the substance toward your nose which should be directly over the beaker.

  • Place your nose directly over the substance and take a big whiff.

  • Fan your hand over the substance toward your nose which should be several centimetres away from the substance.

  • Place your nose near the opening of the beaker and inhale.

Explicación

Pregunta 3 de 24

1

Which of the following is NOT a safe lab practice?

Selecciona una de las siguientes respuestas posibles:

  • Keep chemicals, glassware, and other equipment away from the edge of the lab table.

  • Report minor accidents to your lab supervisor and/or teacher.

  • After removing glassware from a heat source touch it right away to see if it is cool.

  • Heat chemicals in a flask without a stopper

Explicación

Pregunta 4 de 24

1

Which of the following does NOT help explain why contact lenses should not be worn in lab?

Selecciona una de las siguientes respuestas posibles:

  • It is difficult to remove lenses after a chemical splash

  • The lens is permeable to vapours, which cause irritation

  • Chemicals trapped under lens will cause severe damage

  • That boy or girl you are trying to get to see you cannot tell the colour of your eyes.

Explicación

Pregunta 5 de 24

1

Which of the following is considered safety equipment in our classroom?

Selecciona una de las siguientes respuestas posibles:

  • Eyewash station

  • First aid kit

  • Fire extinguisher

  • all of the above

Explicación

Pregunta 6 de 24

1

What is the correct procedure for students to follow if a chemical is spilt?

Selecciona una de las siguientes respuestas posibles:

  • Stand back and advise the teacher of the spill

  • Run madly about the room.

  • Splash large amounts of water onto the spill.

  • Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!".

Explicación

Pregunta 7 de 24

1

I can perform an experiment of my own when:

Selecciona una de las siguientes respuestas posibles:

  • When I am sure it is safe to do so.

  • Whenever I want to.

  • Only with permission from the teacher.

  • Never.

Explicación

Pregunta 8 de 24

1

Keeping the work area neat and clean is important because:

Selecciona una de las siguientes respuestas posibles:

  • 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 accident

Explicación

Pregunta 9 de 24

1

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

Selecciona una de las siguientes respuestas posibles:

  • Guess.

  • Change lab partners.

  • Ask the teacher.

  • Just sit quietly and do nothing.

Explicación

Pregunta 10 de 24

1

Goggle/ safety glasses and lab coats must be worn when using

Selecciona una de las siguientes respuestas posibles:

  • Fire.

  • Glassware.

  • Chemicals.

  • All of the above.

  • None of the above.

Explicación

Pregunta 11 de 24

1

I can eat in the classroom:

Selecciona una de las siguientes respuestas posibles:

  • I want to.

  • Only with permission from the teacher.

  • When I am sure it is safe to do so.

  • Never.

Explicación

Pregunta 12 de 24

1

You should tie back long hair remove loose clothes (scarves)or flammable jackets when:

Selecciona una de las siguientes respuestas posibles:

  • Working near fire.

  • Using chemicals in the lab.

  • Trying to impress a friend.

  • A and B

  • A and B and C

Explicación

Pregunta 13 de 24

1

You should make sure that equipment is clean:

Selecciona una de las siguientes respuestas posibles:

  • Before you use it

  • After you use it

  • Cleanliness doesn't matter

  • Both A and B

  • A,B and C

Explicación

Pregunta 14 de 24

1

A pipette is a slender tube attached to or incorporating a bulb, for transferring or measuring out small quantities of liquid, especially in a laboratory.
Which of the following statements is correct about pipetting by mouth?

Selecciona una de las siguientes respuestas posibles:

  • Always - it is a fast and efficient method for transferring liquids

  • Only when you can't find a pipette bulb or you think it might be dirty

  • Only when you are sure that the teacher, your lab partner or the principal aren't looking

  • Never - and if you thought yes to any other choice you should never be allowed in a lab

Explicación

Pregunta 15 de 24

1

In the lab, sharp object should be carried:

Selecciona una de las siguientes respuestas posibles:

  • With the point facing out in front

  • with the point down and away from the body

  • with the point covered up by your hand

  • so that the point will give your lab partner a pretty good jab

Explicación

Pregunta 16 de 24

1

What should you do with any left over chemicals at the end of a lab session

Selecciona una de las siguientes respuestas posibles:

  • Put them back in the jar it came from

  • pour it down the sink

  • check with the teacher

  • mix them all together

Explicación

Pregunta 17 de 24

1

If you get chemicals in your eyes, you should flush them with water for:

Selecciona una de las siguientes respuestas posibles:

  • Less than 10 minutes

  • 10-15 minutes

  • about 15-20 minutes

  • more than 25 minutes

Explicación

Pregunta 18 de 24

1

You should wash your hands after

Selecciona una de las siguientes respuestas posibles:

  • Touching a plant in the classroom

  • handling one of the class pets

  • Working with chemicals

  • all of the above

Explicación

Pregunta 19 de 24

1

To put out a fire in a person's hair or clothes, use:

Selecciona una de las siguientes respuestas posibles:

  • a fire blanket

  • a handy chemical

  • the wind from running around the room

  • a fire extinguisher

Explicación

Pregunta 20 de 24

1

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

Selecciona una de las siguientes respuestas posibles:

  • the older students

  • the lab tech

  • the teacher

  • each and every student

Explicación

Pregunta 21 de 24

1

Disturbing other students in the laboratory or class with horseplay (mucking around) is:

Selecciona una de las siguientes respuestas posibles:

  • helpful

  • poor manners

  • dangerous

  • the quickest way to do the job

Explicación

Pregunta 22 de 24

1

The most important thing in laboratory experiments is:

Selecciona una de las siguientes respuestas posibles:

  • getting it done first

  • getting the answer right

  • safety

  • penmenship

Explicación

Pregunta 23 de 24

1

During the heating of a liquid in a test tube, you should

Selecciona una de las siguientes respuestas posibles:

  • point the test tube towards others

  • point the test tube away from any person

  • place the test tube vertically up

  • place the test tube so that you can see its top

Explicación

Pregunta 24 de 24

1

which is the correct sequence to light up a bunsen burner

Selecciona una de las siguientes respuestas posibles:

  • light the match --> light the gas --> open air hole --> turn gas on --> close air hole

  • turn on gas --> light up gas --> close air hole --> light match --> open air hole

  • turn on gas --> close air hole --> light match --> open air hole --> light gas

  • close air hole --> light match --> turn on gas --> light gas --> open air hole

Explicación

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