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Text 3. Thermal (heat) energy transfers
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| Text 3. Thermal (heat) energy transfers
Heat, like gravity, penetrates every substance of the universe; its rays occupy all parts of space. The object of our work is to set forth the mathematical laws which this element obeys. The theory of heat will hereafter form one of the most important branches of general physics. Baron Jean-Baptiste-Joseph Fourier PRE-READING Give answers to the following questions: 1. “Prometheus stole fire and brought it to people”. Why was it so important? 2. What human activities depend on energy? Active vocabulary Word Pronunciation Translation absorb, v. /əbˈzɔːb/ впитывать, поглощать, syn. take in collision, n. /kəˈlɪʒən/ столкновение container, n. /kənˈteɪnər/ емкость, сосуд, тара convection, n. /kənˈvekʃən/ конвекция cool, v. /kuːl/ охлаждать, syn. chill distant, adj. /ˈdɪstənt/ далекий, дальний, syn. far, remote electricity, n. /ɪˌlekˈtrɪsəti/ электричество electric heater /ɪˈlektrɪkˈhiːtər/ электрический нагревательный прибор, электронагреватель increase, v. /ɪnˈkriːs/ увеличивать(ся), повышать(ся) metal, n. /ˈmetəl/ металл neighbor, n/adj. /ˈneɪbər/ сосед, соседний, ближний radiation, n. /ˌreɪdiˈeɪʃən/ радиация, излучение ultimately, adv. /ˈʌltɪmətli/ в конце концов, в конечном итоге, syn. finally wood, n. /wʊd/ дерево, древесина 48 READING Read and translate the text using a dictionary if necessary: Heat transfer is the transfer of thermal energy from a higher temperature object or system to another system, raising its temperature. This process changes the thermal energy of both systems involved until thermal equilibrium is reached. Thermal energy can be transferred from one end of a material to the other or from one material to another through conduction. It is also transferred indirectly by convection and radiation. жүктеу/скачать 1,14 Mb. Достарыңызбен бөлісу:
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