KS3 CIE Geography: Core Knowledge Summary | KS3 CIE 地理：核心知识点梳理

📚 KS3 CIE Geography: Core Knowledge Summary | KS3 CIE 地理：核心知识点梳理

This article summarises the essential topics in the KS3 CIE Geography curriculum, covering both physical and human geography concepts you need to master. From map reading to environmental sustainability, these core areas will help you build a solid geographical understanding.

本文梳理了 KS3 CIE 地理课程的核心主题，涵盖你需要掌握的自然地理与人文地理概念。从地图阅读到环境可持续性，这些核心领域将帮助你打下坚实的地理基础。

1. Map Skills | 地图技能

A map is a simplified representation of an area, using symbols, colours and a key to show features like roads, rivers and buildings. Understanding the scale allows you to calculate real distances. For example, a scale of 1:25,000 means 1 cm on the map equals 25,000 cm (250 m) on the ground.

地图是一个区域的简化表示，使用符号、颜色和图例来显示道路、河流和建筑物等特征。理解比例尺可帮助你计算实际距离。例如，比例尺 1:25 000 表示地图上的 1 厘米等于地面上的 25 000 厘米（250 米）。

Compass directions and grid references provide precise location. Four‑figure grid references identify a grid square, while six‑figure references pinpoint a specific point inside it. Contour lines connect points of equal height above sea level. Closely spaced contours indicate a steep slope; widely spaced ones show gentle slopes.

罗盘方向和网格参考可提供精确定位。四位网格参考确定一个网格方格，六位网格参考则精确到方格内的具体点。等高线连接海拔高度相同的点。等高线密集表示陡坡，稀疏则表示缓坡。

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2. The Earth’s Structure and Plate Tectonics | 地球结构与板块构造

The Earth is made up of layers: the inner core (solid iron and nickel), outer core (liquid), mantle (semi‑molten rock) and crust (thin, solid outer layer). The crust is broken into tectonic plates that float on the mantle. Heat from the core creates convection currents in the mantle, which move the plates slowly.

地球由圈层组成：内核（固态铁镍）、外核（液态）、地幔（半熔融岩石）和地壳（薄而坚硬的外层）。地壳破裂为若干构造板块，漂浮在地幔之上。地核的热量在地幔中形成对流，缓慢推动板块移动。

At constructive (divergent) plate boundaries, plates move apart and magma rises to form new crust, e.g. the Mid‑Atlantic Ridge. At destructive (convergent) boundaries, an oceanic plate sinks beneath a continental plate, causing deep ocean trenches and volcanic mountain ranges. Conservative boundaries see plates sliding past each other, often triggering earthquakes.

在建设性（离散型）板块边界，板块相互分离，岩浆上涌形成新地壳，如大西洋中脊。在破坏性（聚合型）边界，大洋板块俯冲到大陆板块之下，形成深海沟和火山山脉。守恒型边界处，板块彼此水平滑动，常引发地震。

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3. Earthquakes and Volcanoes | 地震与火山

An earthquake is a sudden release of energy in the Earth’s crust, often occurring along plate boundaries. The point inside the Earth where the rock breaks is the focus; the point directly above on the surface is the epicentre. Seismic waves travel outwards, and their magnitude is measured on the Richter scale or Moment Magnitude scale.

地震是地壳中能量的突然释放，常发生在板块边界。岩石破裂处位于地下的点称为震源；地面对应点称为震中。地震波向外传播，其震级用里氏震级或矩震级测量。

Volcanoes form when magma rises through cracks in the crust. Shield volcanoes have gently sloping sides and frequent, less violent eruptions of runny lava. Composite (stratovolcanoes) are steep‑sided and erupt explosively with ash, gas and lava flows. Volcanic hazards include lava flows, ash clouds and lahars, but fertile soils and geothermal energy bring benefits.

岩浆沿地壳裂缝上升时会形成火山。盾状火山坡度平缓，常喷发流动性强的熔岩，爆炸性较弱。复合火山（成层火山）坡度陡峭，喷发时爆炸强烈，伴随火山灰、气体和熔岩流。火山灾害包括熔岩流、火山灰云和火山泥流，但也带来肥沃土壤和地热能等益处。

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4. Rivers and the Water Cycle | 河流与水循环

The water cycle describes how water moves between the atmosphere, land and oceans. Key processes are evaporation, condensation, precipitation, interception, infiltration, surface runoff and groundwater flow. A drainage basin is the area of land drained by a river and its tributaries.

水循环描述水在大气、陆地和海洋之间的运动。关键过程包括蒸发、凝结、降水、截留、下渗、地表径流和地下水流。流域是指由一条河流及其支流排水的陆地区域。

Rivers erode, transport and deposit material. Erosion processes such as hydraulic action, abrasion, attrition and solution shape the landscape. Landforms include V‑shaped valleys and waterfalls in the upper course, meanders and oxbow lakes in the middle course, and floodplains, levees and deltas in the lower course.

河流具有侵蚀、搬运和沉积作用。水力作用、磨损、磨蚀和溶蚀等侵蚀过程塑造着地形。上游常见 V 形谷和瀑布，中游有曲流和牛轭湖，下游则形成洪泛平原、天然堤和三角洲。

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5. Coasts and Coastal Processes | 海岸与海岸过程

Waves are the main force shaping coastlines. Constructive waves build up beaches with strong swash and weak backwash, while destructive waves erode the coast with weak swash and strong backwash. Coastal erosion processes include hydraulic action, abrasion, attrition and solution, similar to rivers.

波浪是塑造海岸线的主要力量。建设性波浪以强大的冲流和较弱的回流堆积海滩，破坏性波浪则以微弱的冲流和强大的回流侵蚀海岸。海岸侵蚀过程与河流类似，包括水力作用、磨损、磨蚀和溶蚀。

Erosion creates landforms such as cliffs, wave‑cut platforms, caves, arches and stacks. Longshore drift transports sediment along the coast due to waves approaching at an angle. Deposition forms beaches, spits and bars. Human activities include building sea walls, groynes and beach nourishment to manage erosion.

侵蚀形成悬崖、浪蚀平台、海蚀洞、海蚀拱和海蚀柱等地形。沿岸漂沙因波浪斜向冲击海岸而搬运沉积物。沉积形成海滩、沙嘴和离岸坝。人类活动包括建造海堤、防波堤和沙滩补给，以防治侵蚀。

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6. Weather and Climate | 天气与气候

Weather is the day‑to‑day state of the atmosphere – temperature, precipitation, wind and cloud cover. Climate is the average weather over a long period (usually 30 years). Meteorologists measure weather using instruments: thermometers (°C), rain gauges (mm), barometers (hPa) and anemometers (km/h).

天气是大气的日常状态——包括温度、降水、风和云量。气候是长期（通常 30 年）天气的平均状况。气象学家使用仪器测量天气：温度计（°C）、雨量计（mm）、气压计（hPa）和风速计（km/h）。

Climate zones include tropical, desert, temperate and polar regions. Factors affecting climate are latitude, altitude, distance from the sea, ocean currents and prevailing winds. Climate graphs display average monthly temperature (line graph) and rainfall (bar chart), helping to identify seasonal patterns.

气候带包括热带、沙漠、温带和极地区域。影响气候的因素有纬度、海拔、距海远近、洋流和盛行风。气候图以折线显示月均温，以柱状图显示月降水量，有助于识别季节变化规律。

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7. Population and Settlement | 人口与聚落

Population distribution describes where people live, while population density measures the number of people per square kilometre (people/km²). Factors affecting distribution include climate, relief, water supply, soil fertility and job opportunities. Migration is the movement of people, driven by push factors (war, poverty, natural disasters) and pull factors (jobs, safety, better services).

人口分布描述人们居住的地点，人口密度衡量每平方千米的人口数（人/km²）。影响分布的因素包括气候、地形、水源、土壤肥力和就业机会。人口迁移受推力因素（战争、贫困、自然灾害）和拉力因素（工作、安全、更好的服务）驱动。

Settlements can be rural or urban and follow a hierarchy: from isolated dwellings to hamlets, villages, towns and cities. Higher‑order settlements have more functions and services, such as hospitals and universities. Land use models like the Burgess concentric ring model help explain urban structure.

聚落可分为乡村和城市，并遵循等级体系：从独户住宅到小村、村庄、镇和城市。高等级聚落拥有更多功能和服务，如医院和大学。伯吉斯同心环模型等土地利用模型有助于解释城市结构。

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8. Economic Activities and Development | 经济活动与发展

Economic activities are classified into four sectors: primary (extracting raw materials, e.g. farming, mining), secondary (manufacturing, construction), tertiary (providing services, e.g. retail, health) and quaternary (information and research). Employment structure changes as a country develops – from primary towards tertiary and quaternary.

经济活动分为四个部类：第一产业（开采原材料，如农业、采矿）、第二产业（制造、建筑）、第三产业（提供服务，如零售、医疗）和第四产业（信息与研究）。随着国家发展，就业结构会从第一产业转向第三和第四产业。

Development indicators measure a country’s wealth and quality of life. Gross Domestic Product (GDP) per capita shows average income; the Human Development Index (HDI) combines life expectancy, education and income. Other indicators include infant mortality rate, literacy rate and access to clean water.

发展指标衡量国家的财富与生活质量。人均国内生产总值（GDP）体现平均收入；人类发展指数（HDI）综合了预期寿命、教育水平和收入。其他指标包括婴儿死亡率、识字率和清洁水源获取率。

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9. Environmental Issues and Sustainability | 环境问题与可持续性

Human activities are changing the environment at a local and global scale. Climate change, largely caused by increased carbon dioxide (CO₂) emissions from burning fossil fuels, leads to rising temperatures, melting ice sheets and extreme weather. Deforestation reduces biodiversity and contributes to soil erosion.

人类活动正在地方和全球尺度改变环境。主要由燃烧化石燃料排放的二氧化碳（CO₂）增加所导致的气候变化，正带来气温上升、冰盖融化和极端天气。森林砍伐降低了生物多样性并加剧水土流失。

Sustainable management aims to meet the needs of the present without preventing future generations from meeting theirs. Strategies include using renewable energy (solar, wind, hydro), reducing, reusing and recycling waste, and protecting ecosystems through national parks and conservation programmes. Individuals can reduce their carbon footprint by walking, cycling and saving energy.

可持续管理旨在满足当代需求，同时不损害后代满足其需求的能力。策略包括使用可再生能源（太阳能、风能、水能），减少、再利用和回收废弃物，以及通过国家公园和保护项目来保护生态系统。个人可通过步行、骑行和节约能源来减少碳足迹。

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Published by TutorHao | Geography Revision Series | aleveler.com

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