CAIE Year 13 Science: Vocabulary & Terminology Quick-Memorisation Guide | CAIE 13年级科学：词汇术语速记指南

📚 CAIE Year 13 Science: Vocabulary & Terminology Quick-Memorisation Guide | CAIE 13年级科学：词汇术语速记指南

Mastering scientific vocabulary is essential for excelling in CAIE Year 13 Sciences. Many students struggle to remember long, complex terms in Biology, Chemistry and Physics, but with the right memory strategies and a focus on word roots, you can accelerate your learning dramatically and build lasting confidence for your A-Level exams.

掌握科学词汇是CAIE 13年级科学考试中取得优异成绩的关键。许多同学苦于记忆生物、化学和物理中那些冗长复杂的术语，但只要掌握正确的记忆方法和词根规律，你就能显著加快学习速度，为A-Level考试建立起持久的信心。

1. Powerful Root Words and Affixes | 强大的词根与词缀

Around 60% of scientific terminology is built from Greek and Latin roots. Learning a few dozen of these will unlock hundreds of terms instantly.

约60%的科学术语都由希腊语和拉丁语词根构成。掌握几十个词根就能立刻解锁数百个术语的含义。

For example, the root hypo- means ‘under’ or ‘below normal’, while hyper- means ‘over’ or ‘excessive’. In biology, hypotonic refers to a solution with lower solute concentration, and hypertonic means higher concentration. In physics, hypothermia (low body temperature) and hyperthermia (high body temperature) follow the same logic.

例如，词根 hypo- 表示“下”或“低于正常”，hyper- 表示“上”或“过多”。在生物学中，hypotonic（低渗）指溶质浓度较低的溶液，hypertonic（高渗）指溶质浓度较高的溶液。在物理学中，hypothermia（体温过低）和 hyperthermia（体温过高）遵循相同的逻辑。

Similarly, mono- (one), di- (two), poly- (many); micro- (small), macro- (large); photo- (light), therm- (heat), electro- (electricity) appear everywhere. Create a personal ‘root map’ to visualise connections.

同样地，mono-（一）、di-（二）、poly-（多）；micro-（小）、macro-（大）；photo-（光）、therm-（热）、electro-（电）等词根无处不在。制作一张个人“词根地图”来形象化它们之间的联系。

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2. Biology: Cellular Processes Made Simple | 生物：细胞过程术语简单化

Terms like glycolysis, Krebs cycle and oxidative phosphorylation often cause confusion. Break them down: ‘glyco-‘ means sugar, ‘-lysis’ means splitting, so glycolysis literally means ‘sugar splitting’. The Krebs cycle is named after Hans Krebs; visualise it as a circular factory line releasing CO₂ and capturing energy.

糖酵解、克雷布斯循环和氧化磷酸化等术语经常让人混淆。拆解来看：“glyco-” 表示糖，“-lysis” 表示分裂，所以 glycolysis 字面意思就是“糖的分解”。Krebs cycle 以汉斯·克雷布斯命名；你可以把它想象成一个释放CO₂并捕获能量的环形流水线。

For photosynthesis (photo + synthesis = light + putting together), remember the balanced equation using a rhythmic chant: “6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂”. Use the mnemonic ‘PGA to G3P’ for the Calvin cycle intermediates, and associate ‘granum’ (stacks of thylakoids) with ‘grains’ stacked on top of each other.

对于光合作用（photo + synthesis = 光 + 合成），用有节奏的念诵记住平衡方程：“6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂”。用“PGA 到 G3P”的记忆口诀掌握卡尔文循环的中间产物，并将“granum”（类囊体叠层）联想为一个个堆叠的“谷粒”。

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3. Genetics and Evolution Vocabulary Hacks | 遗传与进化的术语速记技巧

Inheritance keywords such as homozygous (homo- = same, -zygous = yolk/union) and heterozygous (hetero- = different) become easy once you know the roots. Allele is simply an alternative form of a gene; think of ‘allele’ as ‘alternative element’.

遗传学关键词，如 homozygous（纯合：homo- = 相同，-zygous = 结合）和 heterozygous（杂合：hetero- = 不同），一旦你掌握词根就很容易记住。Allele（等位基因）就是基因的替代形式；把 “allele” 联想为 “alternative element”。

For the Hardy-Weinberg principle, use the visual symbol p² + 2pq + q² = 1. Remember: p is the frequency of the dominant allele, so ‘p is powerful’; q is the recessive, ‘q is quiet’. Speciation mechanisms – allopatric (allo- = other, patric = fatherland) and sympatric (sym- = same) – are best remembered with a map: allopatric = separated by a geographic barrier, sympatric = same place but reproductive isolation.

对于哈迪-温伯格原理，使用可视符号 p² + 2pq + q² = 1。记住：p 是显性等位基因的频率，因此“p 很强势（powerful）”；q 是隐性等位基因，“q 很安静（quiet）”。物种形成机制——异域物种形成（allo- = 其他，patric = 故土）和同域物种形成（sym- = 相同）——最好用地图来记忆：allopatric 指被地理屏障隔开，sympatric 指同一地点但生殖隔离。

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4. Chemistry: Organic Nomenclature – The Quick Decoder | 化学：有机命名法快速解码

Organic chemistry naming follows a predictable formula: prefix-infix-suffix. The prefix indicates substituents (methyl-, ethyl-, chloro-), the infix gives the carbon chain length (meth-, eth-, prop-, but-, pent-), and the suffix shows the functional group (-ane, -ene, -ol, -al, -one, -oic acid). Learn this template and you can decode almost any IUPAC name.

有机化学命名遵循一个可预测的公式：前缀-中缀-后缀。前缀表示取代基（甲基-、乙基-、氯-），中缀给出碳链长度（甲-、乙-、丙-、丁-、戊-），后缀显示官能团（-烷、-烯、-醇、-醛、-酮、-酸）。记住这个模板，你几乎可以解码任何IUPAC名称。

A handy memory trick for the first four alkanes: ‘Monkeys Eat Peanut Butter‘ (Methane, Ethane, Propane, Butane). For functional group priority, use the phrase ‘Carboxylic Acids Always Smell Funky, Ketones And Aldehydes Usually Nasty, Alcohols Okay‘ to recall carboxylic acid > ester > amide > nitrile > aldehyde > ketone > alcohol > amine > alkene > alkane.

记忆前四种烷烃的便捷窍门：“Monkeys Eat Peanut Butter”（甲烷 Methane、乙烷 Ethane、丙烷 Propane、丁烷 Butane）。对于官能团优先顺序，用句子“Carboxylic Acids Always Smell Funky, Ketones And Aldehydes Usually Nasty, Alcohols Okay”来记住：羧酸 > 酯 > 酰胺 > 腈 > 醛 > 酮 > 醇 > 胺 > 烯烃 > 烷烃。

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5. Physical Chemistry: Terms That Trip You Up | 物理化学：容易绊倒你的术语

Words like enthalpy, entropy, and free energy are abstract but can be visualised. Enthalpy (H) is the total heat content; think of ‘H’ as the warehouse of Heat. Entropy (S) measures disorder; remember ‘S’ for Spreading out and chaos. Gibbs free energy change ΔG = ΔH – TΔS; if ΔG is negative, the process is feasible – not just spontaneous, but thermodynamically allowed.

焓、熵和自由能等词汇很抽象，但可以形象化。焓 (H) 是体系的总热量；把“H”想象为存放热量 (Heat)的仓库。熵 (S) 衡量混乱度；记住“S”代表扩散和混乱 (Spreading)。吉布斯自由能变化 ΔG = ΔH – TΔS；若 ΔG 为负，过程是可行的 (feasible)——不仅仅是自发，更是热力学上允许的。

Le Chatelier’s principle states that if a dynamic equilibrium is disturbed, the position of equilibrium shifts to counteract the change. Use the analogy of a lazy cat: push the cat (add reactant), it moves away (produces more product); take the cat away, it comes back. Lattice energy becomes memorable as the ‘energy released when gas-phase ions form a solid lattice’; link it to Lego bricks ‘clicking’ together.

勒夏特列原理指出，如果扰动一个动态平衡，平衡位置会移动以抵消这种变化。用一个懒猫的类比：推猫（加入反应物），它会移开（生成更多产物）；把猫拿开，它又会回来。晶格能可以记作“气态离子形成固态晶格时释放的能量”；把它联想成乐高积木“咔嗒”一声拼合在一起。

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6. Physics: Mechanics and Materials Terminology | 物理：力学与材料术语

In Year 13 mechanics, terms like centripetal acceleration (a = v²/r or rω²) and angular velocity (ω = Δθ/Δt) appear. Remember: centripetal means ‘centre-seeking’, derived from ‘centrum’ (centre) and ‘petere’ (to seek). Always perpendicular to velocity. Use a spinning bucket of water to visualise the force direction.

在13年级力学中，你会遇到向心加速度 (a = v²/r 或 rω²) 和角速度 (ω = Δθ/Δt) 等术语。记住：centripetal 意为“指向中心的”，源自 ‘centrum’（中心）和 ‘petere’（寻找），总是垂直于速度。用旋转的水桶来想象力的方向。

Materials vocabulary like elastic limit, yield point, and ultimate tensile strength (UTS) are easily confused. Think of the stress-strain curve as a story: elastic region (material returns, like a rubber band), yield point (permanent deformation begins), UTS (maximum stress before necking), and fracture. ‘Plastic’ deformation means permanent – think of plasticine, which stays deformed.

材料词汇如弹性极限、屈服点和极限抗拉强度 (UTS)极易混淆。把应力-应变曲线想象成一个故事：弹性区（材料能恢复，像橡皮筋），屈服点（开始永久形变），UTS（颈缩前的最大应力），断裂。’Plastic’ deformation（塑性形变）指永久形变——想想橡皮泥 (plasticine)，它被捏后保持形变。

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7. Electricity and Waves: Decoding Complex Descriptors | 电学与波动：解码复杂描述词

In electricity, electromotive force (e.m.f.) is not a force but energy transferred per unit charge. Use the phrase ‘e.m.f. is the max push per coulomb’. Internal resistance (r) makes the terminal p.d. less than e.m.f.; remember it as ‘the hidden resistor inside the battery’.

在电学中，电动势 (e.m.f.)并不是力，而是单位电荷转移的能量。用一句话记忆：“e.m.f. 是每库仑的最大推动”。内阻 (r) 使端电压低于电动势；把它想象成“电池内部隐藏的电阻”。

For waves, coherence requires constant phase difference and same frequency. Simply remember: ‘Coherent waves are like synchronised swimmers’. Diffraction describes bending of waves around obstacles; visualise water waves spreading through a gap. Polarisation (only for transverse waves) restricts oscillations to one plane; use the sunglasses analogy – they block one plane of oscillation.

对于波动，相干要求恒定的相位差和相同的频率。简单记为：“相干波像是花样游泳运动员，同步运动”。衍射描述波绕过障碍物的弯曲；想象水波穿过缝隙扩散。偏振（仅限横波）将振动限制在一个平面上；用太阳镜的类比——它们阻挡一个振动平面。

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8. Memory Techniques: Acronyms and Visualisation | 记忆技巧：首字母缩写与图像联想

Transform a list of terms into a memorable story or acronym. For the electromagnetic spectrum, use ‘Raging Martians Invaded Venus Using X-ray Guns‘ (Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma). For reactivity series, traditional mnemonics work: e.g., ‘Please Stop Calling Me A Cute Zebra, I Love Cool Songs’ for Potassium, Sodium, Calcium, Magnesium, Aluminium, Carbon, Zinc, Iron, Lead, Copper, Silver.

把一串术语变成一个难忘的故事或首字母缩略词。对于电磁波谱，用“Raging Martians Invaded Venus Using X-ray Guns”（狂怒的火星人用X射线枪入侵金星）对应 Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma。对于活动性顺序，传统的记忆口诀有效，例如：“Please Stop Calling Me A Cute Zebra, I Love Cool Songs”对应钾、钠、钙、镁、铝、碳、锌、铁、铅、铜、银。

Use method of loci (memory palace): imagine walking through your house and placing each term in a room. For the steps of the immune response, assign each phase (phagocytosis, antigen presentation, T-cell activation, B-cell clonal selection) to a different piece of furniture. Visualise a macrophage ‘eating’ bacteria on your couch, then a helper T-cell activating B-cells on the dining table.

使用位置记忆法（记忆宫殿）：想象经过你的家，把每个术语放在一个房间里。对于免疫反应的步骤（吞噬作用、抗原呈递、T细胞活化、B细胞克隆选择），将每个阶段分配给一件不同的家具。想象巨噬细胞在你的沙发上“吞噬”细菌，然后辅助T细胞在餐桌上激活B细胞。

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9. Common Confusions in A2 Science Vocabulary | A2科学常见混淆词汇

Many Year 13 students confuse pairs like accuracy vs precision. Accuracy is closeness to true value (a bullseye), precision is reproducibility (clustered darts). Another trap: ionisation energy vs electron affinity. Ionisation energy is energy needed to remove an electron; electron affinity is energy released when an electron is added. Use arrows: ⬆️ (removing, positive energy) vs ⬇️ (adding, often negative).

许多13年级学生混淆诸如准确度与精密度这样的词对。准确度是接近真实值（正中靶心），精密度是可重复性（飞镖聚成一团）。另一个陷阱：电离能与电子亲和能。电离能是移除一个电子所需的能量；电子亲和能是加入一个电子时释放的能量。用箭头记忆：⬆️（移除，能量正）vs ⬇️（加入，通常能量负）。

In physics, potential difference (p.d.) and e.m.f. are often misused. p.d. is energy per unit charge dissipated between two points; e.m.f. is energy per unit charge supplied by a source. Think of e.m.f. as the source’s ‘full voltage’ and p.d. as what arrives across a component after internal resistance steals some. Isotope vs isomer: isotopes differ in neutrons (same element), isomers differ in structural arrangement (same molecular formula).

在物理学中，电势差 (p.d.) 和 电动势 (e.m.f.) 常被误用。p.d. 是两点间耗散的单位电荷能量；e.m.f. 是电源提供的单位电荷能量。把 e.m.f. 想成电源的“全额电压”，p.d. 是经过内阻“偷走”一部分后到达元件上的电压。同位素与同分异构体：同位素中子数不同（同一元素），同分异构体结构排列不同（相同分子式）。

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10. Speed Memorisation for Exams: Active Recall and Spaced Repetition | 考试速记：主动回忆与间隔重复

Passive reading of glossary pages is ineffective. Use active recall: cover the definition and test yourself, or write a definition from memory. Create flashcards with the term on one side and a diagram plus root breakdown on the other. For CAIE past papers, note which terms appear in mark schemes repeatedly; these are high-yield terms.

被动阅读词汇表是无效的。使用主动回忆：盖住定义自测，或凭记忆写出定义。制作闪卡，正面写术语，背面画上示意图并拆解词根。对于CAIE历年真题，注意哪些术语在评分标准中反复出现；这些是高频考点术语。

Spaced repetition software (Anki, Quizlet) schedules reviews at optimal intervals. Schedule 5‑minute definition sessions three times a day, focusing on the most challenging terms. Before sleep, mentally run through 10 terms you learned that day; sleep consolidates memory. Replace the word ‘study’ with ‘retrieve’ in your mindset – active retrieval signals to your brain that this information is important.

间隔重复软件（Anki、Quizlet）会按最佳间隔安排复习。每天安排三次5分钟的定义回顾环节，集中对付最难的术语。睡前在脑中过一遍当天学到的10个术语；睡眠会巩固记忆。在心态上用“提取”代替“学习”——主动提取信号告诉大脑这些信息很重要。

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11. Last-Minute Tactics for Tricky Terms | 刁钻术语的考前最后一分钟战术

For terms that refuse to stick, use exaggerated imagery. To remember amphoteric (a substance that can act as both acid and base), picture an amphibious car (amphi = both) splashing acid on one side and base on the other. For the Benedict’s test for reducing sugars, imagine a red brick precipitate forming a small ‘Brick’ house; Benedict sounds like ‘bene-dict’ (good words), and reducing sugar is ‘sweet talk’.

对于怎么都记不住的术语，用夸张的形象化联想。要记住amphoteric（两性物质，既能作酸又能作碱），想象一辆水陆两栖车（amphi = 两种）一侧泼酸一侧泼碱。对于检测还原糖的本尼迪克特试剂试验，想象砖红色沉淀建起一座“砖(Brick)”房；Benedict 听起来像“bene-dict（好话）”，而还原糖就是“甜言蜜语”。

Create a personal ‘panic sheet’ with the top 20 most frequently forgotten terms and their mnemonic cues one night before the exam. Use colour coding: red border for still-difficult, yellow for moderate, green for mastered. On the exam morning, only glance at the red ones. Do not try to learn new vocabulary then; reinforce instead.

考前一夜制作一张个人“紧急记忆单”，列出最容易遗忘的20个术语及其记忆线索。使用颜色编码：红框表示仍困难，黄框中等，绿框已掌握。考试当天早上，只需浏览红色部分。不要在那个时候尝试学习新词汇；要巩固已有知识。

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