Page 3 - 8-Sci-9 Sources And Effects Of Heat Energy
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9. SOURCES AND EFFECTS OF HEAT ENERGY eLearn.Punjab
(ii) We keep our bodies warm and alive by the heat produced from the food during its
metabolism in the body cells.
(iii) Heat is also produced by burning of wood, coal, oil and gas, etc. We cook food
(Figure 9.3) and warm our rooms by the heat produced by burning of wood and natural
gas, etc. Heat produced by the burning coal and oil etc. is used to produce electricity in
thermal power stations (Figure 9.4).
(iv) Electricity is also used to produce heat (Figure 9.5).
Animation 9.2: Thermal Power Plant V: 1.1
Source & Credit: Wikipedia
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