Observe:
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Mini |
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►(=small) |
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+ |
Noun |
= |
noun |
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Micro |
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►(=very small) |
Example: computer ►► minicomputer , organism ►► Microorganism
Exercise A: For each of the words choose the correct definition A, B or C.1. Microscope=
a.Optical system used to observe objects of medium size
b.Optical system used to observe big objects.
c.Optical system used to observe very small objects.
2. Microfilm=
a.Photographic film for storing information in a very reduced size.
b.A film showing microphones.
c.A film showing a short version of a movie or documentary.
3. Minibus=
a.A small bus.
b.A miniaturized bus for children to play with.
c.A bus for carrying children to school.
3-Vocabulary III: WORD FORMATION
Observe:
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or |
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Verb |
+ |
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►= |
noun |
(Function) |
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or |
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Example: compute ►► computer , teach ►► teacher , process ►► processor
Exercise A: Fill in the blanks with the appropriate word from the list below.
Rotor – ventilator – processor – recorder – indicator
1.When you are in a car, you put on your to turn right or left.
2.Thanks to the , the helicopter can take off or land vertically.
3.A is a device used for making the air circulates in and out.
4.The is the heart of the computer where operations on data are done.
5.A HiFi system consists of a radio, a tape an record player and sometimes a clock.
Exercise B: Correct the underlined words by adding the appropriate prefix or suffix so that the sentence becomes meaningful.
1. I think it is possible to do this exercise because it contains a mistake.
2. He is studying biology at the university. It the study of very small organisms.
3. A newsread reads the news either on radio or television.
4. The discover of America was Christopher Columbus.
5. A meter is used to measure very small objects.
4-Structure I: Expressing ability
Observe:
a) Subject + can + verb(inf.) + rest of a sentence(ROS)
b) Subject + is/are + capable of + verb(ing) + ROS
c) Subject + is/are + able to + verb(inf.) + ROS
Example:
Computers can process large amounts of data.
Computers are capable of processing large amounts of data.
Computers are able to process large amounts of data.
Exercise A: Using the clues below and the words in brackets make similar sentences using forms above.
1. Robots / perform / complex tasks. (can)
2. A scanner / detect / any internal tumor. (be able to)
3. A supersonic jet / travel / faster than sound. (can)
4. Cranes / lift / enormous objects. (be capable of)
5. Computers / carry out / millions of instructions in few seconds. (can)
Exercise B: What abilities do the following have? Complete the sentence using a verb from the list to help yourself.
Calculate – push – land or take off – keep - store
1. A thermos flask.
A thermos flask can or cold time.
2. Helicopters.
Helicopters are vertically.
3. A bulldozer.
A bulldozer can weighs.
4. A pocket calculator.
A calculate very .
5. A new Hard Drive Disk (HDD).
A new Hard Drive Disk (HDD) is of data.
Look carefully the following example.
Picture 1 Picture 2
Table 1:
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PICTURE 1 |
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Name |
Typewriter |
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Size |
Different |
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Materials |
Metal and plastic |
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Color |
Generally black / grey |
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Shape |
Roughly rectangular / square |
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Parts |
-carriage
-keyboard |
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Function & Use |
Typing letters / documents … |
Paragraph 1:
Typewriters can have different sizes. They are generally made of plastic and metal. They are usually black or grey and roughly rectangular or square in shape. They are composed of two main parts: a carriage and a keyboard. The carriage is used to support the sheet of paper we want to type on. The keyboard serves to type the letters and numbers by pressing the keys on it. The type writer is used for typing letters any many other documents.
Now do the same with the following object.
Table 2:
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PICTURE 2 |
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Name |
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Size |
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Materials |
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Color |
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Shape |
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Parts |
-
-
- |
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Function & Use |
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Paragraph 2:
You Can Do This Activity At Home
Then Show It To Your Teacher.
