KS3 Edexcel Geography: Core Knowledge Overview | KS3 Edexcel 地理：核心知识点梳理

📚 KS3 Edexcel Geography: Core Knowledge Overview | KS3 Edexcel 地理：核心知识点梳理

This article provides a structured summary of the key topics taught in KS3 Edexcel Geography. It is designed to help students consolidate their understanding of both physical and human geography, as well as the essential geographical skills required at this stage. Each section presents core knowledge in clear, bilingual pairs to support learning and revision.

本文系统梳理了 KS3 Edexcel 地理课程的核心主题，旨在帮助学生巩固自然地理与人文地理知识，以及该阶段必需的关键地理技能。每个部分都以清晰的中英双语配对呈现核心知识点，便于学习与复习。

1. Map Skills and Grid References | 地图技能与网格参考

All maps use a compass rose to indicate direction, with the four cardinal points being North, South, East, and West. Four-figure grid references locate a specific grid square, while six-figure grid references pinpoint an exact location within that square.

所有地图都使用指北针标示方向，四个基本方位为北、南、东、西。四位数字网格参考可定位一个方格，六位数字网格参考则能精确到方格内的具体位置。

Scale shows the relationship between distance on a map and real distance on the ground. It can be expressed as a ratio (e.g. 1:25,000), a linear scale bar, or a written statement.

比例尺表示地图上的距离与地面实际距离之间的关系，可用比例（如 1:25,000）、直线比例尺或文字说明表示。

Contour lines join points of equal height above sea level. Closely spaced contours indicate a steep slope, while widely spaced contours show a gentle slope. Spot heights and triangulation pillars give exact elevations.

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。高程点和三角测量标可提供精确海拔。

Ordnance Survey (OS) maps use a range of symbols to represent physical features (e.g. woodland, rivers) and human features (e.g. roads, churches). A key explains each symbol.

英国国家测绘局地图使用一系列符号表示自然要素（如林地、河流）和人文要素（如道路、教堂），图例会对每个符号进行解释。

---

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

A river’s long profile shows changes in gradient from source to mouth, typically concave. The upper course is steep with vertical erosion, the middle course has lateral erosion and transportation, and the lower course features deposition and wide floodplains.

河流的纵剖面显示从源头到河口的坡度变化，通常呈下凹形。上游坡度大，以垂直侵蚀为主；中游侧蚀和搬运作用增强；下游以沉积作用为主，发育宽广的泛滥平原。

The four main processes of river erosion are hydraulic action (force of water), abrasion (scraping by sediment), attrition (particles hitting and breaking), and solution (chemical dissolving). These shape valleys and river beds.

河流的四种主要侵蚀作用是水力作用（水流冲击力）、磨蚀（泥沙刮擦）、磨损（颗粒碰撞破碎）和溶蚀（化学溶解），它们不断塑造河谷与河床。

Transportation involves material carried in four ways: traction (rolling), saltation (bouncing), suspension (fine sediment in water), and solution (dissolved minerals). When a river loses energy, it deposits the heaviest materials first.

搬运方式包括四种：推移（滚动）、跃移（跳跃）、悬移（细颗粒悬浮）和溶解搬运。当河流能量降低时，会先沉积最重的物质。

Waterfalls form where hard rock overlies soft rock. The soft rock erodes faster, creating an overhang; the plunge pool deepens by abrasion, and eventually the hard rock collapses, causing the waterfall to retreat upstream.

瀑布形成于硬岩覆盖在软岩之上的地方。软岩受侵蚀更快，形成悬垂；跌水潭因磨蚀加深，最终硬岩崩塌，导致瀑布向上游后退。

---

3. Coasts and Coastal Management | 海岸与海岸管理

Waves are created by wind blowing over the sea surface. Destructive waves are high, steep, and erode the coast; constructive waves are low, gentle, and deposit material, building up beaches.

波浪由风吹过海面产生。破坏性波浪高而陡峭，会侵蚀海岸；建设性波浪低缓，将物质堆积起来，形成海滩。

The main coastal erosion processes include hydraulic action, abrasion, attrition, and solution, similar to rivers. In addition, wave pounding compresses air in cracks, and longshore drift moves sediment along the coast at an angle.

主要的海岸侵蚀过程包括水力作用、磨蚀、磨损和溶蚀，与河流类似。此外，波浪冲击会压缩裂隙中的空气，沿岸漂移使沉积物沿海岸以一定角度移动。

Headlands and bays form along discordant coastlines where bands of hard and soft rock alternate. Hard rock resists erosion and forms headlands; soft rock erodes quickly, creating bays. Eroded sediment often forms beaches in the bays.

岬角和海湾形成于软硬岩交替的海岸带。硬岩抗侵蚀形成岬角；软岩迅速被侵蚀形成海湾。侵蚀产生的沉积物常在湾内形成海滩。

Coastal management uses hard engineering structures like sea walls, groynes, and rock armour to resist wave energy, and soft engineering approaches such as beach nourishment and managed retreat to work with natural processes.

海岸管理采用硬工程结构（如海堤、丁坝、防波石）抵御波浪能量，以及软工程方法（如沙滩养护、有管理退让）顺应自然过程。

---

4. Weather and Climate | 天气与气候

Weather is the day-to-day state of the atmosphere (temperature, precipitation, wind, cloud cover), while climate is the average weather pattern over a period of at least 30 years. The UK has a temperate maritime climate.

天气是指大气的逐日状态（温度、降水、风向、云量），气候则是至少30年的平均天气模式。英国属于温带海洋性气候。

Precipitation occurs when moist air rises, cools, and condenses. The three main types are relief rainfall (air forced to rise over hills), convectional rainfall (heated ground warms air causing it to rise), and frontal rainfall (warm and cold air masses meet).

湿润空气上升冷却凝结形成降水。三类主要降水是地形雨（空气受山丘阻挡抬升）、对流雨（地面受热使空气上升）和锋面雨（冷暖空气交汇）。

The UK’s weather can be influenced by air masses from different directions: maritime tropical (warm and moist), maritime polar (cold and moist), continental tropical (warm and dry), and continental polar (cold and dry).

英国的天气会受到来自不同方向气团的影响：热带海洋气团（温暖湿润）、极地海洋气团（寒冷湿润）、热带大陆气团（温暖干燥）和极地大陆气团（寒冷干燥）。

Climate graphs display monthly average temperature as a line and monthly precipitation as bars, helping to describe the seasonal pattern of a location’s climate and to compare different biomes.

气候图表用曲线表示月均温，用柱状图表示月降水量，有助于描述某地气候的季节变化模式，并比较不同生物群系的气候特征。

---

5. Ecosystems and Biomes | 生态系统与生物群系

An ecosystem is a community of living organisms (biotic) interacting with their non-living (abiotic) environment. Energy flows through food chains and food webs, starting with producers (plants) that convert sunlight into food.

生态系统是生物群落（生物因素）与非生物环境（非生物因素）相互作用的整体。能量通过食物链和食物网流动，始于将阳光转化为食物的生产者（植物）。

A biome is a large-scale ecosystem defined by its climate and dominant vegetation. Major biomes include tropical rainforests, deserts, grasslands, temperate deciduous forests, taiga, and tundra.

生物群系是由气候和优势植被决定的大尺度生态系统，主要类型包括热带雨林、荒漠、草原、温带落叶阔叶林、泰加林（针叶林）和苔原。

Tropical rainforests are located near the equator, have hot temperatures and high rainfall year-round. They are structured in layers: emergent, canopy, understory, and forest floor, and have high biodiversity due to the constant growing conditions.

热带雨林分布在赤道附近，全年高温多雨。其结构分层：露生层、林冠层、下层林木和林地地表。由于全年适宜的生长条件，生物多样性极高。

Nutrient cycling in rainforests is rapid; most nutrients are stored in the biomass, not the soil. Deforestation interrupts this cycle, leading to soil erosion and loss of habitat.

热带雨林的养分循环很快，大部分养分储存在生物量中而非土壤里。森林砍伐会打断该循环，导致土壤侵蚀和栖息地丧失。

---

6. Population and Migration | 人口与迁移

Population density is the number of people living per square kilometre. Areas with high density tend to have favourable climates, flat land, and economic opportunities, while harsh environments like mountains and deserts have low density.

人口密度是指每平方公里居住的人数。密度高的地区通常气候宜人、地势平坦、经济机会较多，而山地、沙漠等严酷环境人口密度低。

The demographic transition model (DTM) describes how birth and death rates change as a country develops. It has five stages: high stationary, early expanding, late expanding, low stationary, and natural decrease.

人口转变模型（DTM）描述了随着国家发展，出生率与死亡率的变化过程，分为五个阶段：高位静止阶段、早期扩张阶段、后期扩张阶段、低位静止阶段和自然减少阶段。

Migration is the movement of people from one place to another. Push factors (e.g. war, unemployment, famine) drive people away, while pull factors (e.g. job opportunities, safety, better services) attract them to a new location.

迁移指人们从一个地方到另一个地方的移动。推力因素（如战争、失业、饥荒）促使人们离开，拉力因素（如工作机会、安全、更好服务）吸引他们前往新地点。

Rural-to-urban migration in emerging countries is driven by the search for work in cities. This can lead to rapid urbanisation and the growth of informal settlements, exerting pressure on urban services and infrastructure.

新兴国家中的城乡迁移主要是为了在城市寻找工作。这可能导致快速城市化与非正式聚居地的增长，对城市服务和基础设施造成压力。

---

7. Urbanisation and Settlement | 城市化与聚落

Urbanisation is the increase in the proportion of people living in towns and cities. It first occurred in now-developed countries during the Industrial Revolution, and is currently happening most rapidly in Asia and Africa.

城市化指城镇和城市居住人口比例不断增加的过程。它最早发生于当今发达国家的工业革命时期，目前则在亚洲和非洲进展最快。

The settlement hierarchy organises settlements by size and importance: isolated dwelling, hamlet, village, town, city, and conurbation. Higher-order settlements have more services and a larger sphere of influence.

聚落等级根据规模和重要性组织：独户、小村、村庄、镇、城市和集合城市。等级越高的聚落服务数量越多，影响范围也越大。

Urban land use in many UK cities follows a pattern: the central business district (CBD) is surrounded by inner city terraced housing, then inter-war suburbs, and modern housing and retail parks on the outskirts.

许多英国城市的土地利用模式为：中央商务区（CBD）被内城区联排住宅环绕，然后是两次世界大战间的郊区，以及边缘的现代住房和零售园区。

Urban challenges include traffic congestion, air pollution, inadequate housing, and social inequalities. Sustainable urban solutions involve improving public transport, creating green spaces, and using brownfield sites for development.

城市面临的挑战包括交通拥堵、空气污染、住房不足和社会不平等。可持续的城市解决方案包括改善公共交通、创建绿色空间以及利用棕地（已开发土地）进行发展。

---

8. Economic Activities and Globalisation | 经济活动与全球化

Economic activities are classified into four sectors: primary (extraction of raw materials), secondary (manufacturing), tertiary (services), and quaternary (knowledge-based jobs). Employment in each sector shifts as a country develops.

经济活动分为四个部门：第一产业（原料开采）、第二产业（制造业）、第三产业（服务业）和第四产业（知识型工作）。随着国家发展，各产业的就业比例会发生变化。

Globalisation is the increasing interconnectedness of countries through trade, investment, technology, and migration. Transnational corporations (TNCs) operate in multiple countries, often locating manufacturing where labour costs are lower.

全球化是通过贸易、投资、技术和迁移使各国联系日益紧密的过程。跨国公司在多个国家运营，通常将制造业布局在劳动力成本较低的地区。

The Clark-Fisher model shows how employment shifts from the primary to the secondary and then to the tertiary and quaternary sectors as an economy develops, linked to mechanisation, education, and rising incomes.

克拉克-费希尔模型显示，随着经济发展，就业会从第一产业向第二产业转移，继而转向第三产业和第四产业，这与机械化、教育水平提高和收入增长相关。

Globalisation creates both opportunities and inequalities. Some countries experience economic growth and improved living standards, while others face job losses and cultural homogenisation.

全球化既带来机遇也造成不平等。一些国家得到经济增长和生活水平提高，另一些则面临失业和文化同质化问题。

---

9. Tectonic Hazards and Plate Tectonics | 构造灾害与板块构造

The Earth’s crust is divided into tectonic plates that float on the semi-molten mantle. Convection currents in the mantle cause the plates to move, leading to earthquakes and volcanic activity at plate boundaries.

地壳分为若干构造板块，漂浮在半熔融的地幔上。地幔中的对流使板块移动，在板块边界处引发地震和火山活动。

At destructive (convergent) boundaries, an oceanic plate subducts beneath a continental plate, forming deep ocean trenches, volcanoes, and fold mountains. At constructive (divergent) boundaries, plates move apart and magma rises to form new crust.

在破坏性（汇聚型）边界，海洋板块俯冲到大陆板块之下，形成深海沟、火山和褶皱山脉。在建设性（裂谷型）边界，板块分离，岩浆上涌形成新地壳。

Volcanoes can produce lava flows, ash clouds, and pyroclastic flows. Earthquake magnitude is measured using the Richter scale (energy released) and the Mercalli scale (observed effects). Epicentre is the point on the Earth’s surface directly above the focus.

火山可产生熔岩流、火山灰云和火山碎屑流。地震震级用里氏震级（释放能量）和麦加利烈度（观察到的效应）来衡量。震中是震源正上方的地表点。

Responses to tectonic hazards include immediate search and rescue, aid, and evacuation, as well as long-term strategies like building earthquake-resistant structures, monitoring volcanoes, and land-use planning.

应对构造灾害的措施包括即时搜救、援助与疏散，以及长期策略，如建造抗震建筑、监测火山和土地利用规划。

---

10. Fieldwork and Geographic Investigation | 实地考察与地理探究

Fieldwork involves collecting primary data outside the classroom. The enquiry process begins with formulating a geographical question or hypothesis, followed by designing methods, collecting and presenting data, analysing results, and drawing conclusions.

实地考察是在课堂外收集一手数据的过程。探究流程始于提出地理问题或假设，然后设计方法、收集与展示数据、分析结果并得出结论。

Common fieldwork techniques include river measurements (width, depth, velocity), beach profiles, environmental quality surveys, traffic counts, and land-use mapping. Sampling methods such as random, systematic, and stratified may be used.

常见实地考察技术包括河流测量（宽度、深度、流速）、海滩剖面测量、环境质量调查、交通流量计数和土地利用制图。可以采用随机抽样、系统抽样或分层抽样等方法。

Data can be presented using graphs like bar charts, line graphs, scatter graphs, and pie charts, or through maps and field sketches. Analysis should identify patterns, anomalies, and relationships to answer the original question.

数据可用柱状图、折线图、散点图、饼图等图表，或通过地图和野外素描呈现。分析应识别模式、异常值和关系，以回答最初的问题。

Evaluating fieldwork involves reflecting on the accuracy, reliability, and limitations of the methods used, and suggesting how the investigation could be improved if repeated. This demonstrates critical geographical thinking.

评价实地考察包括反思所用方法的准确性、可靠性和局限性，并提出如果重复调查可以如何改进，这体现了批判性地理思维。

Published by TutorHao | Geography Revision Series | aleveler.com

更多咨询请联系16621398022（同微信）