invented - 發明/提出, Swedish - 瑞典, astronomer - 天文學家, circumstance(s) - 環境, thermal insulating - 保溫, effectiveness - 效果, alumnium foil - 錫紙, wrap - 包裹, pour - 倒入, principle - 原則, fair test - 公平測試, variable(s) - 變項, constant - 不變, control group - 對照組, hypothesis - 假設, method(s) - 方法, Slash - 斜線, represented - 代表, affect - 影響, curve - 曲線, factor(s) - 因素, commonly - 普遍地, adventure - 探險,

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