Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 96
hows thatthe metal expands when heated. If the ball is cooled, by placing it in water or otherwise, we find HEAT IN THE HOME 8l that it again passes through the ring. Thisshows that when metal is cooled it contracts. Liquids. — Theeffect of heat on aliquid can be illus-trated as follows:Fill a… … Fig. 57. — The brass ballexpands when heated andcontracts when cooled. Fig. 58. — Liquids ex-pand when heatedand contract whencooled.
Physics · Home Economics
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