Listening Full Test 5 – Section 3
Complete the sentences below.
Write NO MORE THAN TWO WORDS for each answer.
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21 Students must follow ……………………. to prevent accidents in the lab.
22 The students have not been using ……………………. while in the lab.
23 Students cannot eat or drink until ……………………. is finished and they have washed their hands.
24 Tessa should tie her hair back to avoid danger when she is working with a ……………………. or chemicals.
25 Students must wear long sleeves and shoes made of ……………………. in the lab.
Choose the correct letter A, B or C.
26 Which student is currently using an appropriate notebook?
- A Vincent
- B Tessa
- C Neither student
27 The tutor says that writing observations in complete sentences
- A is often not a good use of time
- B makes them easier to interpret later
- C means that others can understand them
28 The students must write dates
- A next to each drawing
- B next to each written section
- C next to each drawing and written section
QUESTIONS 29 AND 30
Choose TWO letters, A-E.
Which TWO things must be included in the conclusion to the experiment?
- A the questions investigated
- B the solutions to the questions
- C the student’s own thoughts about the experiment
- D the length of time spent on the experiment
- E the student’s signature
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21. safety procedures/directions / safety rules22. eye protection / safety glasses/goggles23. clean-up / clean up / cleanup24. naked flame25. leather26. C27. B28. C29.&30. C E (in either order)
Section 3 You will hear a conversation between a science tutor and two first-year students who are being given some practical tips for conducting experiments. First, you have some time to look at questions 21 to 25. [20 seconds]
Listen carefully and answer questions 21 to 25.
TUTOR: Now Vincent and Tessa, I’ve asked the two of you to come and see me because I’m a bit concerned after that incident in the science lab last week. I realise that neither of you have had much experience in a laboratory before …
VINCENT: Well, we mostly just studied theory at high school …
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TESSA: and we rarely got the opportunity to carry out any experiments.
TUTOR: Fair enough. But we must all abide by certain safety procedures – the last thing we want is for one of our students to get hurt.
TESSA: We understand that.
TUTOR: Our priority is to make sure that the chemistry laboratory is a safe place and, actually, accidents can easily be prevented if you just think about what you’re doing at all times.
TESSA: It sounds simple enough.
TUTOR: It is if you always use good judgement, observe safety rules and follow directions.
VINCENT: We’ve read the rules on the poster inside the lab.
TUTOR: And yet last week you were seen working in the lab without eye protection.
TESSA: What do you mean? I was wearing my glasses.
TUTOR: Prescription glasses are not safety glasses – you must always wear the goggles provided – you’ll find they fit quite comfortably over your ordinary glasses.
VINCENT: Oh, I see.
TUTOR: Just make a habit of putting them on before you start and keep them on until you are finished. And another thing, never eat or drink while in the laboratory.
TESSA: What – not even water?
TUTOR: Not even water – at least not until after clean-up. Then, be sure to wash your hands thoroughly with soap and hot water and dry them on a clean towel first. And Tessa, your hair should be tied back when you’re in the lab.
TESSA: It’s not that long.
TUTOR: Still, it poses a hazard when you’re working with chemicals or a naked flame. If you can’t tie it back or pin it up, see if you can tuck it into a cap or something. TESSA: Yes, I can do that.
TUTOR: Thank you. Now, Vincent, last week you wore a tee-shirt and trainers in the lab. The rules clearly state that long-sleeved shirts and leather shoes must be worn.
VINCENT Oh, yes, I remember – I was late getting back from sports practice and I didn’t have time to change.
TUTOR: Well, it mustn’t happen again.
VINCENT: Okay, I’ll see that it doesn’t.
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TUTOR: Good. As for the rest of the safety precautions, refer to the safety poster inside the lab and you shouldn’t have any problems. ……………………………………………………………………………………………
Before you hear the rest of the conversation, you have some time to look at questions 26 to 30. [20 seconds]
Now listen and answer questions 26 to 30.
TUTOR: Now, before you go, a word about record-keeping.
VINCENT: Oh, good – I was going to ask you about that.
TESSA: What’s the best way to keep track of what we’re doing in the lab?
TUTOR: Well, obviously, all your observations should be written down – I know you think you won’t forget stuff and you’ll be able to recall it later but generally this turns out not to be the case. Written data, however, are a permanent record. And you must be thorough. Organise and record everything in a bound notebook.
TESSA: I use a spiral notebook.
VINCENT: And I use a large note pad.
TUTOR: That won’t do. A book with binding ensures the pages are not easily removed or lost. Oh, and be sure to write your entries in complete sentences.
TESSA: Isn’t that a waste of time?
VINCENT: Surely notes are good enough.
TUTOR: You might think so but brief notes can be hard to decipher at a later date, whereas with full sentences you are less likely to misinterpret data.
VINCENT: I make sketches, you know, simple drawings.
TUTOR: That’s a good idea, Vincent, but be sure to date them.
TESSA: You want us to write the date next to each drawing?
TUTOR: Yes, every sketch and every entry must be dated.
TESSA: What about headings?
TUTOR: Use the title of the experiment as your first entry. When you have completed your observation entries, answer any questions that have been posed and then, finally, write your conclusion.
VINCENT: How do we write a conclusion? Do we need to repeat things like the questions and our findings, or the time it all took?
TUTOR: Just write your own ideas or feelings about the experiment as the conclusion. Oh … and remember to sign it! Well, that’s all I have time for today. If you have any questions, ask the lab assistant or come back to me.
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