C. Decide whether each of the following statements is true (T), false (F) or with no information to clarify (N).

1. …………….There are more than one system of measurement in use.

2. …………….The US have changed completely to the SI since 1975.

3. …………….It was not until 1975 that the SI was internationally realized.

4. …………….Standards for seven fundamental units were defined at the 1960 conference.

5. …………….The symbols of units are written differently in different languages.

6. …………….In the metric system, the meter can be used to obtain other units.

7. …………….Our system of writing numbers makes conversion of one unit to another within the metric system complicated.

8. …………….Meter, inch, foot, mile and centimeter are all units of the metric system.

9. …………….There have been three standards for the meter.

10. …………….The standard meter of the world is tested every year.

E. Make a summary of the text.

I. VOCABULARY STUDY

Abbreviations

General

1. cf. - conferre
2. e.g - for example
3. et.al - and others
4. etc. - et cetera, and so on
5. i.e. - that is
6. v. - see
7. viz. - namely
8. c/ca - circa = about, approximately
9. P.M - post meridiem = afternoon
10. A.M - ante meridiem = morning
11. B.C - before Christ
12. A.D - Anno Domini

Units

1. cm - centimeter
2. c. ; cu. - cubic
3. cc. - cubic centimeter
4. cps. - cycles per second
5. ft. - foot = 12 in. = 0,3048 m
6. F.P.S./ ft-lb-sec- foot-pound second/system/
7. g; gr - gramme
8. gal. - gallon
9. hr. - hour
10. in. - inch
11. lb. - pound = 0,453 kg
12. l. - litre
13. m. - metre
14. oz - ounce = 28,35 g
15. psi.- pounds per square inch
16. sec. – second
17. sq. - square

Others

1. b.p. - boiling point
2. conc. – concentrate
3. dil. – dilute
4. f.p. - freezing point
5. m.p. - melting point
6. soln. – solution
7. sol - soluble
8. vol. – volume

II. LANGUAGE STUDY

Asking and Describing Dimensions of Objects

Complete the table below with appropriate words:

To ask and describe the dimensions of objects, you can use either nouns or their corresponding adjectives along with suitable interrogative pronouns What or How

Pattern 1

Asking:

Describing:

Pattern 2

Asking:

Describing:

Pattern 3

Asking:

Describing:

Or:

Note: With this way of describing, the question may be formed from the verb to measure to ask for the measurements of objects.

How does/ do + noun/nouns + measure?

PRACTICE

Now, describe the dimension of the following objects and draw them.

A) w = 1m

B) w = 0.7cm

C) w= 0.07m

h = 0.5m

h = 0.35cm

h = 0.03m

l = 1,5m

l = 1cm

l = 0,14m

A is a block……

TRANSLATION ACTIVITY