II. Complete the dialogue. Use the wordlist below.

– Who … working in the lab yesterday at 11a.m.?

– Alice and Nataly … working in the lab.

– What were they … there?

– They were … different electrical… .

– What device … they working …?

– They were … with a … .

– What… it used …?

– It is … for measuring three types of electrical…, namely: …, resist­ance and … .

– How were the students measuring the … of the …?

– Alice was connecting two … to the resistor … Nataly was … the switch to the resistance … .

– What are the students … to do next time?

– Next time they … going … measure the … . They'll … using the same … .

were	value	selector	be
are	were	devices	current
is	turning	for	doing
resistance	studying	voltage	while
units	multimeter	current	with
going	used	meter	working
was	to	leads	range

 

III. Your friend is interested in what you were doing in the lab yesterday. Describe to him how you were experimenting with a multimeter.

Activity

I. Find out what the people in the pictures are going to do. These are possible questions that you can ask.

Where is Max?

What is he doing at the moment?

What is he going to do next?

When is he going to finish the work?

 

 

 

Max is at the practical class.	The engineer is in the lab.
to work with a multimeter	to prepare for the experiment
to measure the voltage	to study the behaviour of the current
to connect the leads	to describe the results in the graphic form
to watch the indications on the scale	to carry out some tests

 

II. Your boyfriend/girlfriend wanted to see you yesterday but he/she couldn't find you. Explain to your friend what you were busy with. Some phrases are already given to you.

A: Well, my dear, can you tell me what you were doing yesterday evening?

B: Well, I was… .

A: Were you alone in the lab, I wonder?

B: Er, no. Actually my … .

A:  Your …?! In what way was he/she helping you, if it's not a secret?

B: Well, … .

A: Really? And can you tell me what you will be doing tomorrow at this time?

B: Well, let me think for a moment. I'll be … .

A: I see. But dear, … .

Useful expressions:

to prepare for the experiment / to carry out the experiment

to measure the value of the current / to control voltage in the system

to check the indications of a multimeter / to write a report

 

III. Do the crossword.

Down: 2. a unit of electromotive force, equal to ampere / ohm; 3. a unit of work and energy, equal to newton / metre; 4. a unit of electric current, equal to coulomb / second; 5. a unit of power, equal to joule / second				3
			2				4
											5
	1
						6

Across:

1. a unit of electric charge, equal to ampere / second; 6. a SI unit of pressure equal to newton / square metre.

Writing

I. Yesterday you were watching how some students were experimenting in the lab. Describe their activities. The words below will help you.

 

to use

to measure

to hold

to turn

to indicate

the function selector switch

the resistance range

the ohms scale

 

 

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