📚 Year 9 CIE Geography: Essential Terminology Memory Guide | CIE 地理 9 年级：核心术语速记指南
Whether you are preparing for a topic test or building strong foundations for IGCSE, mastering geographical vocabulary is the first step to thinking like a geographer. This guide presents essential Year 9 CIE Geography terms organised by theme, with definitions and memory hooks that help you recall each concept quickly and accurately.
无论你是在为主题测试做准备，还是为 IGCSE 打好基础，掌握地理词汇是像地理学家一样思考的第一步。本指南按主题整理了 CIE 地理 9 年级的核心术语，提供定义和记忆钩子，帮助你快速准确地回忆每个概念。
1. Tectonic Hazards Vocabulary | 构造灾害词汇
Plate boundary – the margin where two tectonic plates meet. Think of a cracked egg shell: the lines are boundaries. At destructive boundaries, oceanic crust sinks under continental crust (subduction), often forming volcanoes and deep ocean trenches. At constructive boundaries, plates move apart and magma rises to create new crust, like at the Mid-Atlantic Ridge. Conservative boundaries slide past each other, storing energy released as earthquakes.
板块边界 – 两个板块相遇的边缘。想象一个裂开的蛋壳：裂缝就是边界。在汇聚型边界，大洋地壳俯冲到大陆地壳之下（俯冲作用），常形成火山和深海沟。在扩张型边界，板块分离、岩浆上升形成新的地壳，例如大西洋中脊。转换型边界相互水平错动，积累的能量以地震形式释放。
Epicentre – the point on the Earth's surface directly above the earthquake's focus. Think 'epi' means 'upon'. Seismometer records shock waves; Richter scale measures magnitude logarithmically: each whole number step means 10 times more ground motion. Lahar is a volcanic mudflow, often triggered by heavy rain mixing with ash – remember 'lahar' sounds like 'lava + water'.
震中 – 地震震源正上方的地表点。记住 “epi” 有“在……之上”的意思。地震仪记录地震波；里氏震级以对数形式衡量震级：每增加一级，地面运动幅度约为原来的 10 倍。火山泥流是火山泥流，常由暴雨与火山灰混合引发——联想 “lahar” 发音像 “lava + water”。
2. River Landscapes and Processes | 河流地貌与过程
Erosion involves wearing away the land: hydraulic action is the force of water; abrasion is the sandpaper effect of particles; attrition makes rocks smash into each other and become smaller; solution dissolves minerals. Visualise a river as a liquid file smoothing the valley. Transportation moves material: traction rolls large boulders; saltation bounces pebbles; suspension carries fine silt; solution carries dissolved load.
侵蚀作用指磨损陆地：水力作用是水的冲击力；磨蚀作用是沙粒的砂纸效应；磨圆作用使石块相互碰撞变圆变细；溶蚀作用溶解矿物质。将河流想象成一把液体锉刀，打磨着河谷。搬运作用移动物质：牵引翻滚大卵石；跳跃弹跳中砾；悬移携带细粉砂；溶解搬运运输溶解物质。
When a river slows, it deposits material: large stones first, then gravel, sand, and finally silt. This sorting creates levees (raised banks) and floodplains. A meander is a bend; erosion on the outside, deposition inside. An oxbow lake forms when a meander is cut off – picture the shape of a U that gets left behind.
当河流流速减慢，就会沉积物质：先是大石块，然后是砾石、沙，最后是粉砂。这种分选形成了天然堤和泛滥平原。曲流是河弯；外侧侵蚀，内侧堆积。牛轭湖由裁弯取直的旧河道形成——想象被遗留下的U形。
3. Coastal Processes and Landforms | 海岸过程与地貌
Fetch is the distance wind blows over open water – greater fetch means more powerful waves. Swash runs up the beach; backwash returns. Constructive waves have strong swash and weak backwash, building beaches; destructive waves have weak swash and strong backwash, removing sand. Longshore drift moves sediment along the coast in a zigzag pattern, like a conveyor belt of sand.
风区长度是风在开阔水域上吹过的距离——风区越长，波浪能量越大。冲流沿滩面上冲；回流回退。建设性波浪冲流强、回流弱，堆积海滩；破坏性波浪冲流弱、回流强，带走沙粒。沿岸漂移以锯齿状路径沿海岸搬运沉积物，像传送带一样移动沙子。
Headlands and bays s, stacks, and stumps are the erosion sequence: an arch collapses to leave a stack, which erodes to a stump. Remember 'CASS': Cave → Arch → Stack → Stump.
岬角与海湾形成于软硬相间的岩层与海相遇处。侵蚀作用破坏软岩层形成海湾；硬岩层抵抗侵蚀成为岬角。海蚀洞、海蚀拱、海蚀柱、海蚀墩是侵蚀的连续过程：拱顶塌陷留下海蚀柱，进一步侵蚀成墩。记住 “CASS”：洞 (Cave) → 拱 (Arch) → 柱 (Stack) → 墩 (Stump)。
4. Weather and Climate Essentials | 天气与气候要素
Weather is the day-to-day condition of the atmosphere; climate is average weather over 30 years. Key instruments: thermometer (temperature), barometer (pressure), anemometer (wind speed), rain gauge (precipitation), hygrometer (humidity). Remember 'BaR' for barometer – pressure; 'Anem' sounds like 'animate' – wind moves.
天气是大气的逐日状态；气候是 30 年的平均天气。关键仪器：温度计测气温，气压计测气压，风速计测风速，雨量器测降水，湿度计测湿度。记住 “Bar” 指气压；“Anem” 像 animate，风在动。
Relief rainfall occurs when moist air is forced to rise over hills, cools, condenses, and rains on the windward side; the leeward side stays dry – a rain shadow. Convectional rainfall happens when the sun heats the ground, hot air rises, cools, and produces thunderstorms. Frontal rainfall meets where warm and cold air masses collide; warm air is forced up over denser cold air.
地形雨发生在潮湿空气被迫抬升越过山丘时，冷却凝结，在迎风坡降雨；背风坡干燥形成雨影区。对流雨由太阳加热地面、热空气上升冷却形成雷阵雨。锋面雨出现在冷暖气团相遇处，暖空气被迫爬升到较重的冷空气之上。
5. Ecosystems and Biomes | 生态系统与生物群系
An ecosystem is a community of living organisms interacting with their non-living environment. Producers (plants) convert sunlight via photosynthesis; consumers eat; decomposers break down dead matter. A food web shows interconnection. Biome is a large-scale ecosystem, such as tropical rainforest, hot desert, tundra, or temperate grassland. Climate chiefly determines biomes.
生态系统是生物群落与非生物环境相互作用形成的整体。生产者（植物）通过光合作用转化阳光；消费者取食；分解者分解死物质。食物网显示相互联系。生物群系是大尺度生态系统，如热带雨林、热沙漠、苔原或温带草原。气候主要决定生物群系类型。
Tropical rainforests have high biodiversity, layered structure (emergent, canopy, understory, forest floor), and nutrient-poor soil because rapid decomposition recycles nutrients straight back to plants. Deserts have extreme diurnal temperature range and special adaptations: succulent plants store water; animals are often nocturnal. Deforestation threatens rainforests; desertification expands deserts.
热带雨林拥有高生物多样性、分层结构（露生层、树冠层、林下层、地面层）以及贫瘠的土壤，因为快速分解将养分直接循环给植物。沙漠有极大的气温日较差和特殊适应：肉质植物储水；动物常夜行。森林砍伐威胁雨林；荒漠化使沙漠扩大。
6. Population Dynamics | 人口动态
Population density is people per square kilometre; population distribution describes where people live. High densities are in urban areas with flat land, water supply, and jobs. Sparse areas include deserts, mountains, and tundra. Key rates: birth rate (live births per 1000 per year), death rate (deaths per 1000 per year), natural increase = birth rate − death rate.
人口密度是每平方公里人口数；人口分布描述人们居住的格局。平原、水源充足、就业机会多的城市地区密度高。沙漠、高山和苔原区人口稀疏。关键指标：出生率（每年每千人的活产数），死亡率（每年每千人的死亡数），自然增长率 = 出生率 − 死亡率。
The demographic transition model (DTM) shows five stages of population change linked to economic development: Stage 1 high fluctuating; Stage 2 early expanding; Stage 3 late expanding; Stage 4 low fluctuating; Stage 5 decline. Dependency ratio compares people aged 0–14 and 65+ to working-age (15–64). High youth dependency means more schools needed.
人口转变模型 (DTM) 展示与经济发展相关的五个阶段：第一阶段高位静止；第二阶段初期扩张；第三阶段后期扩张；第四阶段低位静止；第五阶段下降。抚养比比较 0–14 岁和 65 岁以上人口相对劳动年龄人口 (15–64) 的比例。青少年抚养比高意味着需要更多学校。
7. Settlement and Urbanisation | 聚落与城市化
Settlement hierarchy ranks places from hamlet to conurbation by size and services. The threshold is the minimum population needed to support a service; range is how far people travel to use it. Urbanisation is the growth in the proportion of people living in towns and cities. Push factors (e.g. lack of jobs, poor services) drive people from rural areas; pull factors (e.g. better healthcare, education) attract them to cities.
聚落等级体系按规模和服务划分，从散村到集合城市不等。门槛人口是支撑一项服务所需的最低人口数；服务半径是人们使用该服务愿意出行的距离。城市化是城镇人口比例的增长。推力因素（如缺乏就业、服务差）将人们推离农村；拉力因素（如更好的医疗、教育）吸引人们进城。
Megacities have over 10 million people. Central business district (CBD) is the commercial heart with high land values and tall buildings. Suburbanisation spreads population to the edges; counter-urbanisation moves people from cities to rural areas. Shanty towns (informal settlements) often lack proper water, sanitation, and secure tenure.
超大城市人口超过 1000 万。中央商务区是商业核心，地价高、高层建筑多。郊区化使人口向边缘扩散；逆城市化让人们从城市迁往乡村。棚户区（非正规聚落）常缺少合格用水、卫生设施和产权保障。
8. Economic Activities and Development | 经济活动与发展
Primary industry extracts raw materials (farming, mining). Secondary manufactures goods. Tertiary provides services (retail, teaching). Quaternary involves research and information. GDP per capita measures average economic output per person. Human Development Index (HDI) combines life expectancy, education, and income into a single score between 0 and 1.
第一产业采集原料（农耕、采矿）。第二产业制造商品。第三产业提供服务（零售、教学）。第四产业涉及研究和信息。人均国内生产总值衡量人均经济产出。人类发展指数 (HDI) 将预期寿命、教育程度和收入综合为一个 0 到 1 之间的数值。
Formal sector jobs are taxed, regulated, with contracts; informal sector work is unregulated, often cash-in-hand. Globalisation links economies through trade, investment, and technology. TNCs (transnational corporations) operate in multiple countries, locating production where costs are low. Development indicators can be social (e.g. literacy rate) or economic (e.g. employment structure).
正规部门工作有税、受监管、有合同；非正规部门工作不受监管，常现款交易。全球化通过贸易、投资和技术将各国经济联系起来。跨国公司在多个国家经营，把生产安排在成本低的地方。发展指标可以是社会指标（如识字率）或经济指标（如就业结构）。
9. Map Skills and Data Representation | 地图技能与数据呈现
Grid reference: a 4‑figure reference gives a square, e.g. 4525; a 6‑figure pinpoints, e.g. 453255. 'Along the corridor then up the stairs' – eastings first, northings second. Scale , ratio (1:100,000), or linear bar. Contour lines join points of equal height; close contours mean steep slopes.
方格坐标：四位数坐标给出一个方格，如 4525；六位数精确定位，如 453255。“先沿走廊走，再上楼” ——先读东向值，再读北向值。比例尺可用文字（1 厘米 = 1 千米）、比例（1:100,000）或直线比例条表示。等高线连接相同高程点；等高线密集表示陡坡。
Choropleth maps use shading to show density; proportional symbols vary size to show magnitude. Cross-section cuts through a map to show relief – imagine slicing a cake. Dispersions of data are expressed by range (max − min) and mean (average). Always title graphs, label axes, and include units.
分级统计地图用不同色调表示密度；比例符号图用不同大小的符号表示数量。剖面图切割地图显示地形起伏——想象切蛋糕的断面。数据的离散用极差（最大值 − 最小值）和平均值表示。图表务必加标题、标注坐标轴并注明单位。
10. Resources and Sustainability | 资源与可持续性
Renewable resources (solar, wind, HEP) replenish naturally on a human timescale; non‑renewable (coal, oil, gas) are finite. Sustainability meets present needs without harming future generations. Carbon footprint counts greenhouse gas emissions from an activity or product. Energy mix is the combination of sources a country uses.
可再生资源（太阳能、风能、水电）在人类时间尺度上自然恢复；不可再生资源（煤、石油、天然气）储量有限。可持续性指满足当代需求而不损害后代利益。碳足迹计算一项活动或产品造成的温室气体排放。能源结构是一个国家使用的各类能源的组合。
Water stress occurs when demand exceeds supply or quality is poor. Virtual water is water used in producing goods, e.g. 1 kg beef needs ~15,000 litres. Recycling reprocesses materials; reuse uses items again without major reprocessing. Food miles measure distance food travels from producer to consumer – shorter helps reduce carbon footprint.
水资源压力出现在需求超出供给或水质差的情况。虚拟水指商品生产中所用的水，例如 1 公斤牛肉约需 15,000 升水。循环利用对材料进行再加工；再利用不经过大量再加工直接再次使用。食物里程衡量食物从生产者到消费者间的运输距离——越短越有助于降低碳足迹。
11. Climate Change Vocabulary | 气候变化词汇
Enhanced greenhouse effect: human activities release extra greenhouse gases (CO₂, CH₄, N₂O), trapping more heat. The carbon cycle moves carbon between atmosphere, oceans, rocks, and living things. Fossil fuels store ancient carbon; burning them releases CO₂. Climate proxy records (ice cores, tree rings) reveal past climates before instruments existed.
增强温室效应：人类活动释放额外的温室气体（CO₂、CH₄、N₂O），困住更多热量。碳循环在大气、海洋、岩石和生物体之间流转碳。化石燃料储存远古碳；燃烧它们释放 CO₂。气候代用资料（冰芯、树木年轮）在仪器出现之前揭示过去的气候。
Mitigation reduces the causes of climate change (e.g. renewables); adaptation adjusts to its effects (e.g. sea walls). Albedo is surface reflectivity: ice reflects, dark ocean absorbs. Tipping point is a threshold beyond which change becomes self‑perpetuating. Carbon capture technology removes CO₂ from emissions or the air.
减缓减少气候变化的成因（如使用可再生能源）；适应调整以应对其影响（如修建海堤）。反照率是地表的反射率：冰雪反射率高，深色海洋吸收多。临界点是越过之后变化将自我持续的阈值。碳捕集技术从排放气体或空气中去除 CO₂。
12. Geographic Enquiry Terms | 地理探究术语
Your fieldwork write‑up uses specific language. A hypothesis is a testable statement. Primary data you collect first‑hand (e.g. questionnaires, pebble measurements); secondary data is from books or websites. Quantitative data is numerical; qualitative is descriptive. Sampling methods: random, systematic (every 10th person), stratified (by age group).
你的野外考察报告会用到特定术语。假说是可检验的陈述。一手资料是自己直接收集的（如问卷、卵石测量）；二手资料来自书籍或网站。定量数据是数字的；定性数据是描述性的。抽样方法：随机抽样、系统抽样（每第10人）、分层抽样（按年龄组）。
Risk assessment identifies hazards and how to reduce them. Conclusion states whether your hypothesis was correct, referencing data. Evaluation reflects on limitations and improvements. Always use terms like reliable (can it be repeated?) and valid (does it measure what it should?). Accuracy in language makes your analysis stronger.
风险评估识别危险并说明如何降低风险。结论说明假说是否正确，并引用数据。评估反思研究的局限性和改进方法。始终注意区分信度（可重复性？）和效度（是否测到了想要的内容？）。准确的用语能让你的分析更有力。
Published by TutorHao | Geography Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图