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Exercises

1. Learn the following active words and use them in the sentences of your own:

Body (n) тело

boil (v) кипеть

point (n) точка, температура

data (n) данные

freeze (v) замерзать

liquid (n) жидкость

means (n) средство

mer­cury (n) ртуть

pressure (n) давление

rise (n,v) подъем, повышение; повышаться

thermometer (n) термометр

2. Define the functions of the participle and the gerund in the text.

3. Translate the following sentences and define the functions of the gerund and the participle:

1. For heating a body, we place it in contact with another body at a higher temperature. 2. There are two diagrams in this figure, one of them showing the temperature difference. 3. Comparing the data obtained by our tests is the only means of solving the problem in question. 4. The instrument for measuring the temperature of hot flowing metals is similar to that widely used in our laboratory. 5. The engineers car­ried out the experiment looking at the scale of the thermome­ter from time to time. 6. Thermometers are employed for measuring temperature differences. 7. On the Centigrade scale the freezing point of water is marked 0°, the boiling point being marked 100°C. 8. On being rubbed amber obtained the ability of attracting objects.

4. Answer the following questions:

1. What do you know about the air thermometer? 2. What do you know about the Fahrenheit thermometer? 3. What do you know about the Celsius thermometer? 4. What is the difference between the Fahrenheit thermometer and the Celsius thermometer? 5. What is the difference between the mercury thermometer and the pyrometer?

5. Fill in the blanks with suitable words and word combinations given below:

colored, Centigrade, amber, measuring, English-speaking countries, air thermometer, indicating, changes of atmospher­ic pressure, scientific

1. A thermometer is employed for ... temperature and for ... its changes. 2. The glass tube was immersed into a ... liquid. 3. As early as 1602 Galileo invented an ... 4. The ... scale is employed in the Soviet Union. 5. ... looks like a yellow stone. 6. The Fahrenheit scale is mainly used in ... 7. Galileo's air thermometer was not sensitive to ... 8. The scientists worked at the plan of their ... research.

6. (A) For the verbs in Column I find suitable nouns in Column II.

I

II

To carry out

Science

To put into

A problem

To contribute to

A lecture

To solve

An experiment

To deliver

operation

(b) For the nouns in Column I find suitable attributes in Column II:

Famous

Water

Boiling

Problem

Glass

Thermometer

Cold

Device

Scientific

Bulb

Electrical

scientist

Mercury

point