📚 Year 9 WJEC Biology Vocabulary: A Rapid Memorisation Guide | WJEC九年级生物词汇术语速记指南
Memorising biology terms can feel like learning a new language. This guide presents clever memory hacks, word roots, visual stories and acronyms to help you lock in key Year 9 WJEC vocabulary fast. Use these tricks to build confidence and ace your tests.
记忆生物学术语有时像学习一门新语言。本指南提供巧妙的记忆窍门、词根、视觉故事和首字母缩略词，帮助你快速掌握WJEC九年级的关键词汇。运用这些技巧来建立信心，在考试中拔得头筹。
1. Cells and Organisation | 细胞与组织
MRS GREN: This acronym stands for the seven life processes – Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition. Memory hack: Visualise a busy lady called Mrs Gren doing all seven activities; if an organism performs these, it is alive.
MRS GREN：这个首字母缩略词代表七大生命活动——运动、呼吸、感应、生长、繁殖、排泄、营养。记忆窍门：想象一位忙碌的格兰夫人同时做这七件事；能完成这些的就是生物。
Cell membrane: A partially permeable barrier that controls what enters and leaves the cell. Memory hack: Think of a bouncer at a club door – only certain molecules are allowed through.
细胞膜：控制物质进出细胞的选择透过性屏障。记忆窍门：想象俱乐部入口的保安——只让特定的分子通过。
Nucleus: The control centre of the cell that contains genetic material (DNA). Memory hack: 'Nucleus' sounds like 'nucleus of a team' – the captain calling the shots.
细胞核：包含遗传物质(DNA)的细胞控制中心。记忆窍门："Nucleus"听起来像团队核心，是发号施令的队长。
Mitochondria: Organelles where aerobic respiration releases energy. Memory hack: 'Mighty mitochondria' – they are the powerhouses of the cell.
线粒体：进行有氧呼吸并释放能量的细胞器。记忆窍门："强大的线粒体"——它们是细胞的发电站。
Chloroplast: Green organelles containing chlorophyll for photosynthesis. Memory hack: 'Chloro-' means green, '-plast' means particle; picture tiny green solar panels capturing sunlight.
叶绿体：含叶绿素的绿色细胞器，进行光合作用。记忆窍门："Chloro-"意为绿色，"-plast"意为颗粒；想象微小的绿色太阳能板收集阳光。
Diffusion vs Osmosis: Diffusion is net movement of particles from high to low concentration. Osmosis is the diffusion of water across a partially permeable membrane. Memory hack: Osmosis = 'water only' special delivery. The 'O' in osmosis reminds you of H₂O.
扩散与渗透：扩散是粒子从高浓度到低浓度的净移动。渗透则是水通过半透膜的扩散。记忆窍门：渗透=专属送水服务。渗透(Osmosis)里的"O"让你联想到H₂O。
2. Nutrition and Digestion | 营养与消化
Enzyme: A biological catalyst that speeds up chemical reactions. Memory hack: Use the lock and key model – the enzyme is the lock, the substrate is the key. Only the correctly shaped key can enter the active site.
酶：加速化学反应的生物催化剂。记忆窍门：运用锁钥模型——酶是锁，底物是钥匙。只有形状匹配的钥匙才能进入活性部位。
Active site: The specific region on an enzyme where the substrate binds. Memory hack: Imagine a puzzle piece that fits perfectly into a cavity; if the shape changes (denatures), the puzzle piece no longer fits.
活性部位：酶上底物结合的特定位点。记忆窍门：想象一块完美嵌入凹槽的拼图；如果形状改变（变性），拼图就再也放不进去了。
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