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‹Better GutenbergThe Wonder Book of KnowledgeWhy Does a Hot Dish Crack If We Put Ice Cream in It? · 330 of 330Contents›

The Wonder Book of Knowledge

by Henry Chase Hill

330 of 330 · Contents · Download EPUB

Why Does a Hot Dish Crack If We Put Ice Cream in It?

If we take a hot dish and put ice cream in it, it cracks because the dish when hot has expanded. All the tiny particles that make up the dish have absorbed some heat and have expanded. When the ice cream is put in the particles composing the inside of the dish are cooled off and begin to contract, while the outside particles have not cooled and they pull away from each other, causing the dish to crack.

Footnotes

1 Illustrations by courtesy of the Lake Torpedo Boat Co., unless otherwise indicated.

2 The following information and statistics by courtesy of The Panama Canal, Washington office.

3 Illustrations by courtesy of the Columbia Graphophone Co.

4 Illustrations by courtesy of the Hendee Manufacturing Co.

5 Courtesy of the Waltham Watch Company, and “The American Boy.”

6 Illustrations by courtesy of the Remington Arms-Union Metallic Cartridge Company, unless otherwise indicated.

7 Illustrations by courtesy of Plymouth Cordage Co.

8 Illustrations by courtesy of Colt’s Patent Fire Arms Manufacturing Co.

9 Illustrations by courtesy of Consolidated Fireworks Company of America.

10 Illustrations by courtesy of Eastman Kodak Company.

11 Illustrations by courtesy of R. Hoe & Co.

12 Illustrations by courtesy of the A. I. Root Co.

13 Illustrations by courtesy of the Hotpoint Electric Heating Co.

14 Illustrations by the courtesy of the American Telephone and Telegraph Co.

15 Illustrations by courtesy of the Otis Elevator Co.

16 Illustrations by courtesy of the International Silver Co.

17 Illustrations by courtesy of the McClure Co.

18 Illustrations by courtesy of New York Edison Co., unless otherwise indicated.

19 Illustrations by courtesy of The Curtis Publishing Co.

20 Courtesy of George A. Hormel & Co.

21 Courtesy of The Field, New York City.

22 Courtesy of The Field, New York City.

23 Courtesy of the California Redwood Association.

24 Illustrations by courtesy of The Brunswick-Balke-Collender Co.

25 Illustrations by courtesy of the American Pin Company.

26 Illustrations by courtesy of the Common Sense Gum Co. Story by courtesy of the American Chicle Co. and the Common Sense Gum Co.

27 Illustrations by courtesy of The Brunswick-Balke-Collender Co.

28 Illustrations by courtesy of the Addressograph Co.

29 Illustrations by courtesy of the Pyrene Manufacturing Co.

30 Illustrations by courtesy of Gatchel & Manning.

31 Courtesy of Mr. Charles L. Trout.

32 Illustrations by courtesy of the Bethlehem Steel Co.

33 Illustrations by courtesy of the Bethlehem Steel Co.

34 Illustrations by courtesy of the Bethlehem Steel Co.

35 Illustrations by courtesy of the Bethlehem Steel Co.

36 Illustrations by courtesy of the Bethlehem Steel Co.

37 Illustrations by courtesy of the Bethlehem Steel Co.

38 Illustrations by courtesy of the Bethlehem Steel Co.

39 Illustrations by courtesy of the Bethlehem Steel Co.

40 Illustrations by courtesy of the Bethlehem Steel Co.

41 Illustrations by courtesy of the Bethlehem Steel Co.

42 Illustrations by courtesy of the Bethlehem Steel Co.

43 Illustrations by courtesy of the Bethlehem Steel Co.

44 Illustrations by courtesy of the Bethlehem Steel Co.

45 Illustrations by courtesy of the Bethlehem Steel Co.

46 Illustrations by courtesy of United Shoe Machinery Co.

47 Courtesy of James Boyd & Bro., Inc.

48 Courtesy of American LaFrance Fire Engine Co.

49 Courtesy of American LaFrance Fire Engine Co.

50 Courtesy of American LaFrance Fire Engine Co.

51 Courtesy of American LaFrance Fire Engine Co.

52 Illustrations by courtesy of American Cyanamid Company.

53 Courtesy of The Strauss Bascule Bridge Co.

54 Courtesy of The American Magazine.

55 Illustrations by courtesy of the Railway Age Gazette and Standard Steel Car Co.

56 Illustrations by courtesy of Diamond Crystal Salt Co.

57 Illustrations by courtesy of the General Motors Truck Co.

58 Illustrations by courtesy of Jacobs & Davies, Engineers.

59 Illustrations by courtesy of Ford Motor Co.

60 Courtesy of the Pennsylvania Railroad Co.

61 Courtesy of the Pennsylvania Railroad Co.

62 Courtesy of the Pennsylvania Railroad Co.

63 Courtesy of the Pennsylvania Railroad Co.

64 Courtesy of the Pennsylvania Railroad Co.

65 Courtesy of the Pennsylvania Railroad Co.

66 Courtesy of the General Electric Co.

67 Courtesy of the Westinghouse Co.

68 Illustrations by courtesy of International Harvester Company of America, unless otherwise indicated.

69 Illustrations by courtesy of the Nicholas Power Co.

70 Illustrations by courtesy of Endicott, Johnson & Co.

71 Courtesy of Mr. Charles L. Trout.

72 Illustrations by courtesy of Cutler-Hammer Mfg. Co.

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