Translate the following words and phrases into English using the vocabulary of the text.
Date: 2015-10-07; view: 433.
Packed
Free
Insulator
Poor
Light
Absorbing
Choose the contextual meanings of the words written in bold in Text 2.
LANGUAGE FOCUS
What parts of the text can you define? Do they correspond to the paragraphs? Name each part.
Answer the following questions.
Complete the following sentences according to the text.
COMPREHENSION CHECK
1) The three ways to transfer heat are… .
2) Conduction is … .
3) Convection is … .
4) Radiation is … .
5) Convection occurs when …
6) Domestic radiators are thin and flat because … .
7) Our bodies and all other objects give off or absorb heat by … .
8) Energy traveling as heat by conduction needs … .
9) Conduction doesn't travel through a vacuum because … .
10) Energy as heat is also conducted and circulated by … .
1) What is conduction?
2) What is Convection?
3) What is Radiation?
4) What do they involve?
5) What is insulator?
6) Are metals good conductors?
7) What is the direction of kinetic energy in the process of conduction?
8) Are particles involved in the process of radiation?
9) Will a thin or a fat object radiate energy faster?
10) What color is better for radiators?
1. ________________ 4. ________________
2. ________________ 5. ________________
3. ________________ … ________________
| a) всасывание | c) поглощение |
| b) захватывание | d) улавливание |
| a) легкий | c) световой |
| b) яркий | d) светлый |
| a) слабый | c) скудный |
| b) бедный | d) плохой |
| a) диэлектрик | c) изоляция |
| b) непроводник | d) изолятор |
| a) бесплатный | c) свободный |
| b) незанятый | d) неприкрепленный |
| a) уплотнены | c) упакованы |
| b) скучены | d) сжаты |
Теплопередача, диэлектрики, конвекция, свободные электроны, излучение, беспрерывно, вибрация, кинетическая энергия, матовая поверхность, сталкиваться, расширяться, отражать, поглощать, перенос, тепловая энергия, объем, частицы, вакуум, волны, атомы под напряжением, молекулы воды.
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| Radiation or Conduction or Both? | | | Translate in written form. |