KS3 OCR Geography: Core Knowledge Review | KS3 OCR 地理：核心知识点梳理

📚 KS3 OCR Geography: Core Knowledge Review | KS3 OCR 地理：核心知识点梳理

KS3 OCR Geography builds the foundational knowledge and skills needed to understand the world around us. This core knowledge review brings together the most important themes from the curriculum, covering both physical and human environments, as well as geographical techniques. Whether you are preparing for an end-of-topic test or consolidating your learning, this guide will help you revisit key ideas with clarity.

KS3 OCR 地理课程帮助学生建立起理解我们周围世界所需的基础知识和技能。本篇核心知识点梳理汇集了课程中最重要的主题，涵盖自然与人文环境以及地理技术。无论你正准备单元测试还是巩固所学，这份指南都将帮助你清晰地回顾关键概念。

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1. Map Skills and Geographical Tools | 地图技能与地理工具

Maps are the geographer’s primary tool. In KS3 OCR Geography you learn to locate places using grid references, measure real distances with scale, and read the landscape from contour lines. Geographic Information Systems (GIS) are also introduced as digital mapping tools that layer information to analyse patterns.

地图是地理学家的首要工具。在KS3 OCR地理中，你将学习使用网格坐标定位地点、利用比例尺测量实际距离，以及通过等高线判读地形。地理信息系统（GIS）作为数字制图工具也被引入，它可以将信息分层以分析空间分布规律。

Scale: The relationship between a distance on the map and the corresponding distance on the ground. A large-scale map (e.g. 1:10,000) shows a small area in great detail, whereas a small-scale map (e.g. 1:250,000) covers a larger area with less detail.

比例尺：地图上的距离与地面实际距离的比率。大比例尺地图（如1:10,000）展示小范围区域的详细情况，而小比例尺地图（如1:250,000）覆盖范围更广但细节较少。

Direction: Usually shown by a north arrow or compass rose. The cardinal points are north, south, east and west, with intermediate points such as northeast (NE).

方向：通常由指北针或罗盘玫瑰表示。基本方位是北、南、东、西，以及中间方位如东北（NE）。

Grid references: Four-figure grid references (e.g. 2547) identify a 1 km by 1 km square. Six-figure grid references (e.g. 253478) pinpoint a 100 m by 100 m square, following the rule ‘along the corridor and up the stairs’ — eastings first, then northings.

网格坐标：四位网格坐标（如2547）确定一个1千米×1千米的方格。六位网格坐标（如253478）则精确定位一个100米×100米的方格，遵循“先走走廊再上楼梯”的规则——先读取东向坐标，再读取北向坐标。

Contour lines: Brown lines joining points of equal height above sea level. Close contours indicate steep slopes; widely spaced contours show gentle slopes or flat land. Contour patterns help identify landforms like valleys, spurs and plateaus.

等高线：等高线是连接海平面以上高度相等各点的棕色线条。等高线密集表示陡坡；间距宽大则表示缓坡或平坦地面。等高线图型有助于识别山谷、山嘴和高原等地形。

Map symbols and keys: Symbols representing physical and human features, such as buildings, woodland, footpaths and railways, are explained in a legend. Recognising Ordnance Survey symbols is a core skill.

地图符号与图例：代表自然和人文地物的符号，如建筑物、林地、人行道和铁路，在图例中均有说明。识别英国地形测量局（Ordnance Survey）地图的符号是一项核心技能。

GIS (Geographic Information System): A digital tool that stores, analyses and displays geographic data in layers. Students might use online mapping to plot data such as crime rates or flood risks, linking geography to real-world problem solving.

GIS（地理信息系统）：一种数字化工具，能以图层方式存储、分析和显示地理数据。学生可以使用在线地图绘制犯罪率或洪水风险等数据，将地理知识与现实问题解决联系起来。

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2. Rocks, Weathering and Soils | 岩石、风化与土壤

The Earth’s crust is made of rocks that are constantly recycled over geological time. Understanding the rock cycle, weathering processes and soil formation helps explain the variety of landscapes in Britain and beyond. These processes also directly affect land use and settlement patterns.

地壳由岩石构成，这些岩石在地质时间尺度上不断循环。理解岩石循环、风化过程和土壤形成有助于解释英国乃至全球的地貌多样性。这些过程也直接影响土地利用和聚落模式。

Three main rock types: Igneous rocks (e.g. granite, basalt) form from cooled magma or lava. Sedimentary rocks (e.g. limestone, sandstone, chalk) are built up from compressed layers of sediment. Metamorphic rocks (e.g. slate, marble) result from heat and pressure changing existing rocks.

三大岩石类型：火成岩（如花岗岩、玄武岩）由冷却的岩浆或熔岩形成。沉积岩（如石灰岩、砂岩、白垩）由沉积物压缩成层。变质岩（如板岩、大理岩）是因热和压力使原有岩石发生改变而成。

The rock cycle: Processes of melting, cooling, weathering, erosion, burial and metamorphism link all rock types. Rocks do not stay the same forever — an igneous rock can be weathered into sediment and become a sedimentary rock over millions of years.

岩石循环：熔融、冷却、风化、侵蚀、埋藏和变质作用将各类岩石连接在一起。岩石不会永远保持不变——一块火成岩可经风化变成沉积物，并在数百万年后成为沉积岩。

Weathering: The breakdown of rocks in situ. Physical weathering includes freeze-thaw action (water freezes in cracks, expands and breaks rock). Chemical weathering involves rainwater slightly acidified by carbon dioxide dissolving certain rocks, notably limestone. Biological weathering happens when roots or burrowing animals break rock apart.

风化作用：岩石在原地的破碎过程。物理风化包括冻融作用（水在裂缝中结冰膨胀，撑裂岩石）。化学风化涉及含有二氧化碳而略显酸性的雨水溶解某些岩石，尤其是石灰岩。生物风化指植物根系或掘穴动物使岩石碎裂。

Soil profiles: A vertical section through soil shows layers called horizons. From the surface downward, typical horizons include O (organic litter), A (topsoil with humus), B (subsoil with minerals) and C (weathered parent material). The type of soil depends on parent rock, climate, organisms, topography and time.

土壤剖面：土壤的垂直断面显示出称为发生层的分层。自表向下，典型的发生层包括O层（有机凋落物层）、A层（含腐殖质的表土层）、B层（富含矿物质的淀积层）和C层（风化母质层）。土壤类型取决于母岩、气候、生物、地形和时间。

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3. Rivers and Fluvial Processes | 河流与流水作用

Rivers shape our landscape through erosion, transportation and deposition. From the steep headwaters to the flat floodplains near the mouth, the process of river action creates distinctive landforms. Flooding is a natural event but can be managed through engineering and planning.

河流通过侵蚀、搬运和沉积作用塑造着我们的地貌景观。从陡峭的上游源头到河口附近的平坦泛滥平原，河流作用造就了独特的地貌。洪水是自然事件，但可通过工程和规划进行管理。

Drainage basin: The area of land drained by a river and its tributaries. The boundary is called a watershed. The source is where the river begins; the mouth is where it enters the sea or a lake.

流域：一个河流及其支流所排水的区域。其边界称为分水岭。源头是河流的起点，河口是河流汇入海洋或湖泊的地方。

Erosional processes: Hydraulic action (force of water), abrasion (rocks carried by the river scrape the bed and banks), attrition (rocks bump together and break), and solution (chemical dissolving of rock). These processes are most active in the upper course where the gradient is steep.

侵蚀作用：水力作用（水的冲击力）、磨蚀作用（河流携带的石块磨损河床和河岸）、磨圆作用（石块相互碰撞破碎）和溶蚀作用（岩石的化学溶解）。这些作用在坡度陡峭的上游河段最为活跃。

Transportation: The river carries its load by traction (rolling large pebbles), saltation (bouncing sand grains), suspension (silt and clay carried within the flow) and solution (dissolved minerals). Deposition occurs when the river loses energy, dropping its load — often in the lower course where the channel flattens.

搬运作用：河流通过推移（大卵石滚动）、跳跃（沙粒弹跳）、悬移（粉砂和黏土悬浮在流水中）和溶解（溶解矿物）搬运其负载。当河流能量降低时发生沉积，卸下负载——常出现在河道变缓的下游河段。

River landforms: Waterfalls form where a band of hard rock lies over soft rock; the soft rock erodes faster, creating a plunge pool and an overhang. Meanders are bends in a river where erosion takes place on the outer bank and deposition on the inner bank. Oxbow lakes form when a meander is cut off. Floodplains and levees build up from repeated deposition during floods.

河流地貌：瀑布形成于硬岩覆盖在软岩之上的地方；软岩侵蚀更快，形成瀑潭和突岩。曲流是河流的弯曲河段，凹岸发生侵蚀，凸岸发生沉积。当曲流被裁弯取直时形成牛轭湖。洪泛平原和天然堤是洪水反复沉积而形成的。

Flood management: Hard engineering includes dams, levees and channel straightening. Soft engineering uses floodplain zoning, wetland restoration and tree planting to reduce flood risk while working with natural processes. Understanding hydrographs helps predict flood peaks.

洪水管理：硬工程包括修建水坝、堤防和河道取直。软工程则利用洪泛区功能区划、湿地恢复和植树，在顺应自然过程的同时降低洪水风险。理解水位过程线有助于预测洪峰。

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4. Coastal Landscapes and Processes | 海岸景观与过程

Coasts are dynamic environments shaped by the interaction of waves, tides, geology and human activity. Erosion can produce dramatic landforms, while deposition builds up features like beaches and spits. Coastal management aims to protect people and property from the sea while preserving natural habitats.

海岸是波浪、潮汐、地质和人类活动相互作用形成的动态环境。侵蚀可塑造出引人注目的地貌，而沉积则建造起海滩、沙嘴等特征。海岸管理旨在保护人类的生命财产免受海洋侵袭，同时保护自然栖息地。

Types of waves: Constructive waves are low in height and build beaches by depositing sediment. Destructive waves are higher, have a stronger backwash, and erode the coastline. Fetch is the distance of open water over which the wind blows, influencing wave energy.

波浪类型：建设性浪波高较小，通过沉积沙粒建造海滩。破坏性浪更高，回流更强，侵蚀海岸。风区长度是风吹过开阔水面的距离，影响波能。

Erosional landforms: Cliffs and wave-cut platforms develop when waves erode the base of a cliff, causing collapse. Headlands and bays form along coasts where bands of hard and soft rock alternate; the soft rock erodes into bays while hard rock remains as headlands. Caves, arches, stacks and stumps are created by continued erosion on a headland.

侵蚀地貌：当波浪侵蚀悬崖基部导致崩塌时，形成海蚀崖和海蚀平台。岬湾海岸发育于软硬岩交替分布的岸段；软岩被侵蚀成海湾，硬岩则残留为岬角。海蚀洞、海蚀拱、海蚀柱和海蚀残柱由岬角的持续侵蚀形成。

Depositional landforms: Beaches are built from accumulated sand or shingle. Longshore drift, the movement of sediment along the coast by waves hitting the shore at an angle, builds up features like spits (extended ridges of sand attached to the land at one end) and bars (a spit that connects two headlands).

沉积地貌：海滩由堆积的沙或卵石形成。沿岸漂移是波浪以一定角度冲击海岸时沉积物沿岸移动的过程，它会建造出沙嘴（一端与陆地相连的延伸沙脊）和沙坝（连接两个岬角的沙嘴）。

Coastal management: Hard engineering includes sea walls, groynes and rock armour. These structures are effective but can be expensive and impact the natural coastal system. Soft engineering, such as beach nourishment and managed retreat, works with nature but may need ongoing maintenance. Land use planning in vulnerable areas is an essential part of coastal zone management.

海岸管理：硬工程包括海堤、丁坝和块石护岸。这些结构有效但造价高昂，且可能影响自然海岸系统。软工程，如海滩喂养和有管理后退，顺应自然规律但可能需要持续维护。在脆弱区域进行土地利用规划是海岸带综合管理的重要组成部分。

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5. Weather, Climate and Climate Change | 天气、气候与气候变化

Weather is the day-to-day condition of the atmosphere in a specific place, while climate is the long-term average weather pattern over a region. At KS3, students examine how weather elements are measured, the factors affecting climate, and how human activities are altering global climate systems.

天气是特定地点逐日的大气状况，而气候是一个地区长期的天气平均状态。在KS3阶段，学生将学习气象要素的测量方法、影响气候的因素，以及人类活动如何改变全球气候系统。

Elements of weather: Temperature, precipitation, wind speed and direction, air pressure, cloud cover and humidity. These are measured using instruments such as thermometers, rain gauges, anemometers and barometers.

天气要素：气温、降水、风速与风向、气压、云量和湿度。这些要素使用温度计、雨量筒、风速计和气压计等仪器进行测量。

Climate zones: The world is divided into broad zones based on latitude: tropical, arid, temperate, cold and polar. Within these, local factors such as altitude, distance from the sea and prevailing winds create regional variations.

气候带：根据纬度，世界被划分为几个大的气候带：热带、干旱带、温带、寒带和极地带。在这些气候带内部，海拔高度、距海远近和盛行风等局地因素造成了区域差异。

UK climate: The British Isles have a temperate maritime climate, influenced by the North Atlantic Drift (a warm ocean current). Winters are mild, summers are cool, and rainfall is distributed throughout the year. Prevailing south-westerly winds bring moist air from the Atlantic.

英国气候：不列颠群岛属于温带海洋性气候，受北大西洋暖流影响。冬季温和，夏季凉爽，降水全年均有分布。盛行的西南风从大西洋带来湿润空气。

Climate change evidence: Global temperatures have risen by about 1 °C since the late 19th century, with the most rapid warming since the 1970s. Evidence includes rising sea levels, shrinking ice sheets, glacier retreat and changed patterns in plant flowering and animal migration.

气候变化证据：自19世纪末以来，全球气温上升了约1 °C，20世纪70年代以后变暖速度最快。证据包括海平面上升、冰盖萎缩、冰川退缩以及植物花期和动物迁徙模式的变化。

Causes of climate change: Natural causes include volcanic eruptions and variations in Earth’s orbit. The enhanced greenhouse effect is caused by human activities that release carbon dioxide, methane and other greenhouse gases — notably burning fossil fuels, deforestation and agriculture. These gases trap extra heat in the atmosphere.

气候变化的原因：自然原因包括火山喷发和地球轨道变化。增强的温室效应由人类活动引起，释放二氧化碳、甲烷等温室气体——尤其是化石燃料燃烧、毁林和农业活动。这些气体在大气中截留了额外的热量。

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6. Population and Settlement | 人口与聚落

Human geography looks at how and why populations change, where people live, and how settlements grow and function. KS3 OCR Geography introduces population pyramids, migration, urbanisation and the factors that influence settlement site and situation.

人文地理研究人口如何以及为何变化、人们在哪里居住，以及聚落如何发展和发挥功能。KS3 OCR地理课程介绍了人口金字塔、移民、城市化，以及影响聚落选址和区位状况的因素。

Population distribution and density: Population distribution describes where people live (sparse or dense). Population density measures the number of people per square kilometre. Physical factors such as relief, climate and water supply, alongside human factors like jobs and transport links, influence these patterns.

人口分布与密度：人口分布描述人们居住的地点（稀疏或密集）。人口密度衡量每平方千米的人口数量。地形、气候和水源等自然因素，以及就业机会和交通联系等人文因素，都会影响这些格局。

Population pyramids: A bar chart showing the age and sex structure of a population. A wide base indicates a high birth rate; a narrow base shows a low birth rate. Concave sides may show a high death rate, while straight sides suggest low mortality. Pyramids help governments plan for services like schools and healthcare.

人口金字塔：一种显示人口年龄结构和性别构成的条形图。宽大的底部表示高出生率；狭窄的底部表示低出生率。内凹的边线可能显示高死亡率，而笔直的边线则表明死亡率较低。人口金字塔有助于政府规划学校、医疗等服务。

Migration: The movement of people from one place to another. Push factors drive people away (e.g. war, lack of jobs, natural disasters). Pull factors attract people to a new location (e.g. better employment, safety, education). Rural-urban migration is a key driver of urbanisation.

移民：人们从一个地方迁移到另一个地方。推力因素驱使人们离开（如战争、缺乏就业、自然灾害）。拉力因素吸引人们来到新地点（如更好的就业、安全、教育）。乡城迁移是城市化的重要驱动力。

Settlement hierarchy and functions: Settlements can be ranked according to their size and the services they provide: isolated dwelling, hamlet, village, town, city. Higher-order settlements (cities) offer specialist services like universities and hospitals. The function of a settlement may change over time, for example a market town can become a commuter settlement.

聚落等级与功能：聚落可根据其规模和提供的服务进行等级划分：独户住宅、小村、村庄、镇、城市。高阶聚落（城市）提供大学、医院等专业服务。聚落的功能可能随时间变化，例如一个集镇可变成通勤居民点。

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

The economy is structured into different sectors, and countries vary enormously in their level of development. Understanding primary, secondary, tertiary and quaternary sectors helps analyse employment patterns. Development indicators such as HDI and GDP per capita reveal global inequalities.

经济由不同部门构成，各国的发展水平差异巨大。理解第一、第二、第三和第四产业有助于分析就业结构。人类发展指数（HDI）和人均国内生产总值（GDP）等发展指标揭示了全球的不平等。

Economic sectors: Primary sector extracts raw materials (farming, fishing, mining). Secondary sector manufactures goods (car assembly, textile production). Tertiary sector provides services (retail, health, education). Quaternary sector focuses on knowledge-based activities (research, IT, financial services). As countries develop, employment often shifts from primary to tertiary and quaternary.

经济部门：第一产业开采原材料（农、渔、采矿）。第二产业制造产品（汽车装配、纺织品生产）。第三产业提供服务（零售、医疗、教育）。第四产业集中于知识型活动（研发、信息技术、金融服务）。随着国家发展，就业通常从第一产业转向第三和第四产业。

Development indicators: Economic indicators include GDP per capita, poverty rates and the proportion of a nation’s workforce in agriculture. Social indicators cover life expectancy, literacy rate and access to clean water. The Human Development Index (HDI) combines life expectancy, education and income into a single score between 0 and 1.

发展指标：经济指标包括人均GDP、贫困率和农业劳动力比例。社会指标涵盖预期寿命、识字率和获取清洁饮用水的机会。人类发展指数（HDI）将预期寿命、教育水平和收入综合成一个介于0到1之间的分数。

Globalisation: The increasing interconnectedness of countries through trade, investment, communication and migration. Transnational corporations (TNCs) like clothing and technology brands operate across many countries. Globalisation creates opportunities but also challenges, such as uneven wealth distribution and cultural homogenisation.

全球化：各国通过贸易、投资、通讯和移民日益紧密联系的过程。服装和科技品牌等跨国公司（TNC）在许多国家运营。全球化创造了机遇，也带来了挑战，例如财富分配不均和文化同质化。

Case study connection: A developing country might show rapid industrialisation with new manufacturing jobs, while a developed country may shift towards high-tech services. Contrasting these patterns helps explain the gap between less and more developed regions.

案例联系：一个发展中国家可能展现快速工业化与新的制造业就业岗位，而发达国家可能向高科技服务业转移。对比这些模式有助于解释欠发达与更发达区域之间的差距。

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8. Resources, Energy and Sustainability | 资源、能源与可持续发展

All human activities rely on natural resources. The challenge is to meet present needs without compromising the ability of future generations to meet their own needs — the core of sustainability. At KS3, pupils compare renewable and non-renewable energy sources and examine local and global strategies for a greener future.

所有人类活动都依赖自然资源。挑战在于既满足当代人的需求，又不损害后代满足自身需求的能力——这是可持续发展的核心。在KS3阶段，学生们将比较可再生和不可再生能源，并探讨本地和全球迈向绿色未来的策略。

Types of resources: Non-renewable resources exist in finite amounts and will run out, e.g. coal, oil and natural gas (fossil fuels). Renewable resources can be replenished over time if used wisely, e.g. solar, wind, hydro and geothermal. Some resources, like forests and water, are potentially renewable if managed carefully.

资源类型：不可再生资源储量有限，终将耗尽，例如煤、石油和天然气（化石燃料）。可再生资源如果合理利用，可以随时间得到补充，如太阳能、风能、水能和地热能。一些资源如森林和水，如果管理得当，也具有潜在的再生性。

Energy mix: The combination of energy sources a country uses. Britain has shifted from heavy reliance on coal to more use of gas, nuclear power and increasing shares of wind and solar. Energy choices depend on availability, cost, technology and environmental impact.

能源结构：一个国家使用的各种能源的组合。英国已从严重依赖煤炭转向更多使用天然气、核能，并不断提高风能和太阳能的占比。能源选择取决于可用性、成本、技术和环境影响。

Resource management: Food, water and energy demands are rising globally. Water scarcity affects large regions, often worsened by climate change. The concept of virtual water (hidden water used to produce goods) highlights the global footprint of consumption. Sustainable food production involves reducing waste, local sourcing and fair trade.

资源管理：全球对食品、水和能源的需求持续上升。水资源短缺影响着大片区域，气候变化往往令其恶化。虚拟水（生产商品所消耗的隐含水）的概念突显了消费的全球足迹。可持续食品生产涉及减少浪费、本地采购和公平贸易。

Sustainability approaches: The three pillars are environmental, social and economic. At local level this may include recycling schemes, cycle lanes and urban green spaces. Globally, initiatives like the UN Sustainable Development Goals (SDGs) aim to tackle poverty and protect the planet. Reducing carbon footprint through energy efficiency, reforestation and low-carbon transport is central to sustainable living.

可持续发展的途径：三大支柱分别是环境、社会和经济。在地方层面，可包括回收计划、自行车道和城市绿地。全球层面，联合国可持续发展目标（SDGs）等举措旨在消除贫困、保护地球。通过提高能效、植树造林和低碳交通来减少碳足迹，是可持续生活的核心。

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9. Ecosystems and Tropical Rainforests | 生态系统与热带雨林

An ecosystem is a community of plants, animals and other organisms interacting with each other and with their physical environment. Tropical rainforests are among the richest ecosystems on Earth, yet they face severe threats from deforestation.

生态系统是植物、动物和其他生物与其物理环境相互作用构成的群落。热带雨林是地球上最丰富的生态系统之一，但正面临着森林砍伐的严重威胁。

Ecosystem components: Producers (plants) use sunlight by photosynthesis to make food. Consumers are animals that feed on plants (herbivores) or other animals (carnivores, omnivores). Decomposers like fungi and bacteria break down dead matter, returning nutrients to the soil. A food web shows the feeding connections between species.

生态系统的组成：生产者（植物）利用阳光通过光合作用制造食物。消费者是取食植物（植食动物）或其他动物（肉食动物、杂食动物）的动物。分解者如真菌和细菌分解死去的有机物，将养分归还土壤。食物网显示物种之间的摄食关系。

Tropical rainforest characteristics: Found near the equator where temperatures are high (around 27 °C all year) and rainfall exceeds 2,000 mm annually. They have layered vegetation: emergent layer, canopy, understory and forest floor. Soils are surprisingly infertile because heavy rain leaches nutrients away; most nutrients are stored in the biomass.

热带雨林特征：分布于赤道附近，全年高温（约27 °C），年降水量超过2000毫米。植被分层：露生层、林冠层、林下层和地面层。土壤出人意料地贫瘠，因为强降雨会淋洗走养分；大部分养分储存在生物量中。

Adaptations: Drip-tip leaves shed heavy rain, buttress roots support tall trees in shallow soil, and lianas (

Published by TutorHao | KS3 Geography Revision Series | aleveler.com

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