Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
UNITs.docx
Скачиваний:
10
Добавлен:
12.05.2015
Размер:
2.91 Mб
Скачать

Vocabulary tasks:

8. Answer the following questions to the text.

  1. What is a mass of bodies? All bodies possess mass, which is an inherent property of all matter.

  2. What does the change in matter involve? Both the principle of conservation of mass and the principle of preservation of energy afford a simple, direct approach in setting up a material balance and an energy balance.

  3. How many forms does energy have? Potential and kinetic

  4. What is generalization? This is a collection of all the physical and chemical factors in the introduction of a new principle or law.

  5. What will happen if we place a piece of hot metal into cold water? If a piece of hot metal is placed into cold water, the metal is cooled and the water is heated so that the metal loses energy and the water gains it.

9. Are the following statements about the text true or false?

  1. The outward appearance of matter is constantly changing. true

  2. The mass of this lump is certainly less than the ashes that result from its burning. false

  3. Every change in matter involves a change in energy. false

  4. If a piece of hot metal is placed into cold water, the metal is heated cooled and the water is cooled. false

  5. The kinetic energy possessed by falling water can be transformed into electricity. true

10. Match the first part of the sentence (1 –6) with the second part (a-f).

1. Mass is an inherent property of all matter.

2. The mass of this lump is certainly much greater than the ashes.

3. The energy makes its appearance in a number of forms.

4. Experiments carried out over a long period of time.

5. The energy can be freely transformed from one variety to another.

6. These are the same as the results obtained when d= 0.

a than the ashes.

b a long period of time.

c one variety to another.

d of all matter.

e obtained when d= 0.

f in a number of forms.

11. Complete the sentences with words from the box.

conservation - study – approach - amount - system - experience

  1. The quantity of heat is the actual amount of kinetic energy.

  2. Thermodynamics is a study of processes in which energy is transformed as heat.

  3. There are several kinds of system .

  4. The first law of the thermodynamics is a law of conservation of energy.

  5. All the experience accumulated in the study of every change in matter.

  6. I like her approach to the problem.

Unit four

Grammar:

1. Modal verbs (Obligation and permission). Модальні дієслова.

  1. Question Types. Subject questions. Tag questions (Типи питальних речень).

  2. The Numeral (Числівник).

Reading tasks:

1. Read the words, pay attention to the different types of syllables.

Літера

Відкритий склад

Закритий склад

голосна + r

голосна + re

Пояснення

O o

[∂u]

note

[n∂ut]

нота

[פ]

not

[nפt]

ні

[פ:]

nor

[פ:]

також...ні

(прийм.)

[פ:]

more

[mפ:]

більше

Дві oo передають звуки - [u:] –school школа

[u] - book – книга

Приголосні літери

Звуки, які вони утворюють в залежності від поєднання з іншими літерами

Приклади

W w

[v] – в – майже завжди

[не читається] – або звук близький до у, але це приголосний звук. Іноді він може нагадувати звук [в]

wind - вітер

window - вікно

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]