Wright, Mark R., 1854- · London : Longmans · leaf 57
ce. Water and liquids generally are bad con-ductors of heat. Mercury is an exception, butremember mercury is a metal. Wrap copper wire, or strips of lead, round apiece of ice; sink it in a test-tube containing ^g- 36. water (fig. 37). Heat the water inJthe upper part of the tube with a 48 Heat… … Fig. 37- This is, however, not conduc-tion but convection; the water be-comes denser, sinks, and then affectsthe thermometer. Conductivity of gases,—Theconductivity of gases is less than that of liquids ; in both, heatis, as a rule, transmitted by convection or radiation. Cut a solid piece of lime…
Physics
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