📚 CCEA Year 11 Science: Interdisciplinary Integrated Question Practice | CCEA Year 11 科学：跨学科综合题型训练
In CCEA GCSE Science, interdisciplinary questions require you to connect ideas from Biology, Chemistry and Physics to solve real‑world problems. These questions often appear in structured scenarios – ranging from sports nutrition to environmental conservation. Mastering integrated question types helps you demonstrate a deeper understanding of how science explains the world around us and is key to achieving top grades.
在 CCEA GCSE 科学考试中，跨学科题目要求你将生物学、化学和物理学的概念联系起来解决实际问题。这些题目通常以结构化情境呈现——从运动营养到环境保护。掌握综合题型有助于你展示对科学如何解释周围世界的深层理解，也是取得高分的关键。
1. Understanding Interdisciplinary Questions | 理解跨学科题型
CCEA examiners often design questions that blend content from more than one science discipline. For example, a question about a marathon runner may involve energy transfers (Physics), respiration (Biology) and electrolyte balance (Chemistry). Recognising the crossover is the first step to tackling these questions successfully.
CCEA 考官经常设计融合多个科学学科内容的题目。例如，一道关于马拉松运动员的题目可能涉及能量转移（物理）、呼吸作用（生物）和电解质平衡（化学）。识别这些交叉点是成功解答此类题目的第一步。
Typical interdisciplinary themes include: health and fitness, environmental change, materials technology, and medical physics. Students should practise identifying the key science concepts within a given context and then link them logically.
典型的跨学科主题包括：健康与健身、环境变化、材料技术和医学物理。学生应练习在给定情境中识别关键科学概念，并合理地将它们联系起来。
2. Energy Transfers in Living Systems | 生命系统中的能量转移
Energy flows through ecosystems and living organisms obey the same physical laws of energy conservation and transfer. In a food chain, chemical energy stored in producers is transferred to consumers, but much of it is lost as heat during respiration. This connects Biology (photosynthesis, respiration) with Physics (energy efficiency).
能量在生态系统和生物体内流动，遵守相同的能量守恒和转移物理定律。在食物链中，储存在生产者体内的化学能传递给消费者，但大部分能量在呼吸作用中以热的形式散失。这联系了生物学（光合作用、呼吸作用）与物理学（能量效率）。
Efficiency = (useful energy output ÷ total energy input) × 100%
效率 =（有用能量输出 ÷ 总能量输入）× 100%
and only 50 kJ becomes new body tissue, the efficiency of energy transfer is (50/500)×100% = 10%. The remaining 90% is lost through movement, heat and waste.
解答食物链问题时，要准备好应用效率公式。例如，一只兔子吃下 500 kJ 的草，只有 50 kJ 转化为新的身体组织，能量转移效率为（50/500）×100% = 10％。剩下的 90％ 通过运动、热和废物散失。
3. Chemical Reactions in Digestion | 消化过程中的化学反应
Digestion is a series of enzyme‑catalysed hydrolysis reactions that break down large insoluble molecules into small soluble ones. Amylase breaks down starch into maltose (and eventually glucose), protease breaks down proteins into amino acids, and lipase breaks down fats into fatty acids and glycerol. Each enzyme has an optimum pH and temperature – linking Chemistry (reaction rates, pH) and Biology.
消化是一系列由酶催化的水解反应，将大分子不溶性物质分解为小分子可溶性物质。淀粉酶将淀粉分解为麦芽糖（并最终生成葡萄糖），蛋白酶将蛋白质分解为氨基酸，脂肪酶将脂肪分解为脂肪酸和甘油。每种酶都有最适 pH 和最适温度——这联系了化学（反应速率、pH）和生物学。
| Enzyme 酶 | Site of action 作用部位 | Optimum pH 最适 pH |
|---|---|---|
| Amylase 淀粉酶 | Mouth, small intestine 口腔、小肠 | ~7 |
| Pepsin (protease) 胃蛋白酶 | 广告 / Sponsored Pearson Chemistry for the IB Diploma Programme Standard Lev… 化学 备考教辅 · 正版现货 · 与本文内容相关 查看详情 / View on Taobao参考价 ¥524.0
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