CELPIP Reading Part 3Reading for Information Practice

A. Before mechanical refrigeration, communities in cold climates cut ice from frozen ponds, lakes, or rivers during winter. Workers moved the heavy blocks to storage buildings so part of the winter cold remained available in summer. An icehouse reduced melting by isolating the stored blocks from sunlight, warm air, and surrounding soil. The method required advance planning because no replacement supply could be harvested once mild weather arrived. Observations of seasonal ice harvesting before mechanical refrigeration show why the same process may appear somewhat different from one site to another as surrounding conditions continue to change.

B. Many icehouses were partly underground, where temperatures changed less sharply than they did at the exposed surface. Thick walls contained insulating materials such as straw, sawdust, cork, or trapped air around the storage chamber. A shaded roof and tightly fitted doors limited heat entering whenever workers were not removing ice. Drainage channels carried meltwater away because standing water transferred heat and accelerated the loss of remaining blocks. Understanding design and use of traditional icehouses therefore requires attention to both immediate effects and slower forms of change within the whole connected system.

C. Blocks were packed closely, with crushed ice or insulating material filling spaces that allowed warm air to circulate. Workers usually placed the longest-lasting supply deeper inside and opened the chamber only when necessary. Stored ice cooled food, supported certain trades, and supplied households with cold drinks or treatment for minor injuries. The usefulness of an icehouse depended on clean harvesting water and careful handling that kept the supply free of dirt. For stacking methods and household uses, this wider context prevents one striking feature from being mistaken for the whole story during a quick first inspection.

D. Manufactured ice and electric refrigerators eventually provided steadier cooling without a large seasonal store of natural blocks. Commercial icehouses declined as homes and businesses gained reliable access to these newer systems. Preserved examples still illustrate how insulation, shading, compact storage, and drainage can control heat without powered machinery. Modern passive-cooling designs use different materials but rely on the same principle of slowing unwanted heat transfer. Together, these details place design and use of traditional icehouses within a broader pattern shaped by the surrounding environment over a meaningful period of time.

E. Not given in any of the above paragraphs.