📚 Year 7 WJEC Geography: Core Knowledge Review | Year 7 WJEC 地理：核心知识点梳理
Geography at Year 7 introduces the essential skills and knowledge needed to understand our world. From reading maps to exploring how rivers shape the landscape, from deciphering weather patterns to examining where and why people live in certain places, this stage builds a foundation for all future geography learning. In the WJEC curriculum, the focus is on developing a sense of place and space, equipping students with both physical and human geography concepts, as well as practical fieldwork techniques. This article brings together the core knowledge areas that every Year 7 student needs to review, with clear explanations and relevant examples.
七年级地理课程帮助学生建立理解我们世界所需的基本技能和知识。从阅读地图到探索河流如何塑造地貌，从解读天气模式到研究人们选择居住地的原因，这一阶段为今后所有的地理学习打下基础。在 WJEC 课程中，重点是培养空间感和地方感，使学生掌握自然地理和人文地理概念，以及实用的野外考察技术。本文汇总了每位七年级学生需要复习的核心知识领域，提供清晰的解释和相关的例子。
1. Map Skills | 地图技能
Maps are the most basic tool of a geographer. They are simplified representations of the real world, drawn to scale and using symbols. Every map has a title, a key (or legend), a compass rose or north arrow, and a scale. The title tells you what the map shows. The key explains the meaning of the symbols used, such as blue lines for rivers, green shading for woodland, or a small aeroplane symbol for an airport. Symbols help to avoid cluttering the map with too many words. The compass points show direction: the four cardinal points are North, South, East, and West. There are also four intercardinal points: NE, SE, SW, and NW.
地图是地理学家最基本的工具。它们是现实世界的简化表示，按比例绘制并使用符号。每幅地图都有标题、图例（或说明）、指北针和比例尺。标题告诉你地图表示的内容。图例解释所用符号的含义，例如蓝色线条代表河流，绿色阴影表示林地，小花飞机符号表示机场。符号有助于避免地图上出现过多文字。罗盘方位点指示方向：四个基本方位是北、南、东、西。还有四个间方位：东北、东南、西南和西北。
When giving directions, we describe them using compass points. For example, “The supermarket is north of the school.” We can also use more precise bearings measured in degrees clockwise from north. For Year 7, you need to be comfortable using the eight-point compass. Understanding direction helps you to describe routes and locate features. In the WJEC exam, you might be asked to identify the direction of one place from another on a simple map.
在描述方向时，我们使用罗盘方位点来表达。例如，“超市位于学校的北面”。我们也可以使用从正北起顺时针测量的精确方位角度。在七年级，你需要熟练使用八个方位的罗盘。理解方向有助于描述路线和定位地物。在 WJEC 考试中，你可能需要根据简单地图判断一个地点相对于另一个地点的方向。
2. Grid References and Scale | 格网坐标与比例尺
Ordnance Survey (OS) maps use a grid system formed by vertical lines called eastings and horizontal lines called northings. Each grid square represents a square kilometre on the ground. To give a four-figure grid reference, you first read the easting number (along the corridor) and then the northing number (up the stairs). This identifies the whole grid square. For a more precise location, six-figure grid references are used. You imagine each grid square is divided into tenths, so you give the easting first (including the tenths), then the northing (including the tenths). For example, a church might be at 176 349: easting 17 and 6 tenths, northing 34 and 9 tenths.
英国地形测量局地图使用由垂直线（东距线）和水平线（北距线）组成的网格系统。每个网格方格代表地面上一平方公里。要给出四位数字格网坐标，先读取东距数字（沿走廊走），再读取北距数字（上楼梯）。这确定了整个网格方格。为了更精确定位，使用六位格网坐标。想象每个方格被分成十等份，因此先给出东距（包括十分位数），再给出北距（包括十分位数）。例如，一座教堂可能位于 176 349：东距 17 又十分之六，北距 34 又十分之九。
Scale expresses the relationship between a distance on a map and the real distance on the ground. A large-scale map, such as 1:10 000, shows a small area in great detail (e.g., a town centre). A small-scale map, such as 1:1 000 000, shows a large area with less detail (e.g., a whole country). Scale can be shown as a ratio (1:25 000), a written statement (‘4 cm to 1 km’), or a linear scale bar. In Year 7, you learn to measure straight-line distances using a ruler and the scale bar. Remember, for curved distances along a road or river, you can use a piece of string or the edge of a paper to follow the curve, then measure the string against the scale.
比例尺表示地图上的距离与地面实际距离之间的关系。大比例尺地图，如 1:10 000，详细显示小范围区域（例如城镇中心）。小比例尺地图，如 1:1 000 000，显示大范围区域但细节较少（例如整个国家）。比例尺可以用比率（1:25 000）、文字说明（“图例4厘米相当于实地1千米”）或直线比例尺表示。在七年级，你将学习使用直尺和比例尺测量直线距离。对于沿道路或河流的曲线距离，可以使用细绳或纸边沿曲线放置，然后将绳长对比比例尺量度。
3. Weather and Climate | 天气与气候
Weather is the day-to-day condition of the atmosphere at a particular place and time. It includes temperature, precipitation (rain, snow, sleet, hail), wind speed and direction, cloud cover, and atmospheric pressure. Weather can change from hour to hour. Climate is the average weather conditions of a place taken over a long period of time, usually 30 years. The United Kingdom has a temperate maritime climate, which means cool, wet winters and mild, wet summers, influenced by the sea. Other climates include tropical, polar, desert, and continental.
天气是指特定地点和时间内大气的日常状态。它包括温度、降水（雨、雪、雨夹雪、冰雹）、风速与风向、云量和气压。天气每时每刻都在变化。气候则是一个地方长时期内（通常为30年）的平均天气状况。英国属于温带海洋性气候，即冬季凉爽潮湿，夏季温和多雨，受海洋影响。其他气候类型包括热带、寒带、沙漠和大陆性气候。
Weather elements are measured by different instruments. A thermometer measures temperature in degrees Celsius (°C). A rain gauge collects precipitation and measures it in millimetres (mm). A barometer measures atmospheric pressure in millibars (mb). An anemometer records wind speed, and a wind vane shows wind direction. Cloud cover is estimated in oktas, which are eighths of the sky covered by cloud. Recording weather data consistently allows us to identify patterns and draw climate graphs. A climate graph combines a line graph for temperature with a bar chart for rainfall for each month of the year.
各种气象要素由不同的仪器测量。温度计测量温度，单位为摄氏度 (°C)。雨量计收集降水并以毫米 (mm) 为单位计量。气压计测量气压，单位为毫巴 (mb)。风速计记录风速，风向标指示风向。云量以八分量（oktas）估算，即天空被云覆盖的八分之几。持续记录天气数据有助于我们识别模式并绘制气候图。气候图将温度折线图与各月降水柱状图结合在一起。
4. Climate Zones | 气候带
The world can be divided into several major climate zones based on latitude, distance from the sea, and altitude. Near the Equator, the sun’s rays are most concentrated, giving a hot tropical climate. Tropical rainforests are found here, with high temperatures and heavy rainfall all year round. Moving away from the Equator, we find hot deserts at around 30°N and 30°S of the Equator. These have very little rainfall, large temperature ranges between day and night, and sparse vegetation. Temperate zones lie between the tropics and the polar circles, with distinct seasons and moderate rainfall. The UK is in this zone. At the highest latitudes, polar climates are extremely cold with ice and tundra.
根据纬度、距海远近和海拔高度，世界可以划分为几大气候带。靠近赤道，太阳光线最为集中，形成热带高温气候。这里分布着热带雨林，全年高温多雨。远离赤道，在南北纬30° 附近分布着热带沙漠。这些地区降水极少，昼夜温差大，植被稀少。温带位于热带和极圈之间，四季分明，降水适中。英国就位于该区域。在最高纬度地区，寒带气候极其寒冷，以冰原和苔原为主。
Altitude also affects climate. As height above sea level increases, temperature decreases. This is why there can be snow on the tops of high mountains even in tropical Africa. The UK’s climate is also influenced by the North Atlantic Drift, a warm ocean current that keeps western coastal areas milder in winter than they would otherwise be. Within climate zones, local factors like prevailing wind direction and relief can cause variations, creating microclimates. A south-facing slope in a city park, for example, may be warmer and sunnier than a north-facing slope in the same area.
海拔也会影响气候。随着海拔上升，温度降低。这就是为什么即使是在非洲热带地区的高山顶上，也可能有积雪。英国的气候还受到北大西洋暖流的影响，这股温暖洋流使西部沿海地区冬季比原本更加温和。在气候带内，盛行风向和地形等局部因素会引起变化，形成小气候。例如，城市公园中南向的坡面可能比同区域北向的坡面更暖和、日照更充足。
5. Rivers and Their Features | 河流及其特征
A river basin is the area of land drained by a river and its tributaries. The boundary of a river basin is called the watershed. A river’s journey from source to mouth can be divided into three courses: upper, middle, and lower. In the upper course, near the source, the river is usually fast-flowing, narrow, and tumbles over steep slopes. Typical landforms here include V-shaped valleys, interlocking spurs, and waterfalls. Waterfalls often form where a band of hard rock lies over softer rock, causing differential erosion and creating a steep drop.
流域是指一条河流及其支流所覆盖的集水区域。流域的边界称为分水岭。河流从源头到河口的旅程可以分为三段：上游、中游和下游。在上游靠近源头处，河流通常流速较快、河道狭窄，并在陡坡上奔腾。这里典型的地貌包括 V 形谷、交错山嘴和瀑布。瀑布常形成于硬岩层覆盖软岩层的地方，由于差异侵蚀，形成陡峭的落差。
In the middle course, the gradient is less steep. The river channel is wider and deeper, and it begins to meander (bend). Meanders are sweeping curves that develop as the river erodes the outer bank and deposits material on the inner bank. The fastest flow is on the outside of the bend, where a river cliff can form, while the inside has a gentle slope called a slip-off slope or point bar. The lower course has a very gentle slope. The river is wide, deep, and slow-moving. Floodplains are wide and flat areas of land on either side of the river, built up by layers of alluvium deposited during floods. At the mouth, the river may form an estuary or, if conditions are right, a delta where sediment is dropped as the river meets the sea.
在中游，比降减缓。河道变宽变深，河流开始出现曲流（弯曲）。曲流是河流侵蚀凹岸、在凸岸堆积而形成的蜿蜒曲折的弯道。流速最快处位于弯道外侧，可形成河蚀崖；内侧则坡度平缓，称为滑走坡或凸岸坝。下游坡度平缓。河流宽阔、水深且流速变慢。河漫滩是河流两侧宽广平坦的土地，由洪水期间沉积的层层冲积物堆积而成。在河口，河流可能形成河口湾，或条件合适时形成三角洲，即河流入海时沉积物堆积而成。
6. Erosion, Transportation, and Deposition | 侵蚀、搬运与沉积
Rivers shape the landscape through three main processes: erosion, transportation, and deposition. Erosion is the wearing away of the river bed and banks. There are four types of erosion. Hydraulic action is the sheer force of water hitting the banks and loosening material. Abrasion (also called corrasion) is when the river’s load of pebbles and stones scrapes and scours the bed and banks like sandpaper. Attrition is the process where rocks carried by the river smash into each other and become smaller, smoother, and rounder. Solution (or corrosion) is when slightly acidic water dissolves certain rocks such as limestone.
河流通过三个主要过程塑造地貌：侵蚀、搬运和沉积。侵蚀是对河床和河岸的磨损。侵蚀有四种类型。水力作用是水流冲击河岸并松动物质的纯粹力量。磨蚀（又称磨耗）是指挟带的卵石和石块像砂纸一样刮擦和磨蚀河床与河岸。磨圆作用是河中搬运的岩石相互碰撞，变得更小、更光滑、更圆。溶蚀是指微酸性水溶解某些岩石如石灰岩。
Transportation is how the river moves its load. Traction is when large boulders and rocks are rolled along the river bed. Saltation is when smaller pebbles and stones are bounced along the bed. Suspension is when fine particles of silt and clay are carried within the water. Solution is when dissolved materials are transported invisibly. Deposition occurs when the river loses energy and can no longer carry its load. This happens when flow slows down, such as on the inside of a meander, where the river enters a lake or sea, or during periods of low flow. The largest, heaviest particles are deposited first, followed by finer material. This is called sorting.
搬运是指河流移动其负载物的方式。拖运是大块卵石和岩石沿河床滚动。跃移是较小的卵石和石块沿河底跳跃式移动。悬移是细小的粉砂和黏土颗粒悬浮在水中被搬运。溶解搬运则是溶解物质不可见地被带走。当河流能量减少，无法继续搬运负载物时，就会发生沉积。这种情况出现在流速减慢时，例如在曲流内侧、河流入湖或入海处、或在枯水期。最大最重的颗粒先沉积，随后是较细的物质。这称为分选。
7. Settlement Types and Patterns | 聚落类型与模式
A settlement is a place where people live. Settlements vary in size from a single farm to a megacity. In geography, we study the site and situation of settlements. The site is the actual land on which a settlement is built, including physical features such as flat land, water supply, and natural shelter. The situation describes the settlement’s location in relation to other places and features, such as being at a bridging point on a river, near a forest for timber, or at a route centre. Historically, many settlements grew at defensive sites, such as hilltops, or at wet-point sites in dry areas where water was available.
聚落是指人们居住的地方。聚落规模从单一农庄到超大城市不等。在地理中，我们研究聚落的选址和区位。选址是指聚落建造的实际地面，包括平坦的土地、水源和天然庇护所等自然特征。区位则描述聚落相对于其他地方和地物的位置，例如处于河流的架桥点、靠近木材产出的森林，或是位于交通枢纽。历史上，许多聚落发展于防御性地点，如山顶，或在干旱地区的水源点旁。
Settlement patterns describe the arrangement of buildings. A dispersed pattern features isolated houses or farms scattered across the countryside. A linear settlement follows a line such as a road, river, or coastline. A nucleated settlement is clustered around a central point, like a crossroads, market place, or church. The shape and pattern of a settlement often reflect its history and function. Urbanisation is the process by which an increasing proportion of a country’s population lives in towns and cities. In the United Kingdom, most people live in urban areas, but rural settlements remain important for agriculture and recreation.
聚落模式描述了建筑物的排列方式。分散型模式表现为遍布乡村的孤立的房屋或农场。线型聚落沿着道路、河流或海岸线等线性要素延伸。集村型聚落围绕一个中心点聚集，例如十字路口、市场或教堂。聚落的形状和模式往往反映其历史与功能。城市化是指一个国家越来越多的人口居住在城镇和城市的过程。在英国，大多数人居住在城市地区，但乡村聚落对农业和休闲依然重要。
8. Population and Migration | 人口与迁移
Geography also explores how many people live in an area and why. Population density is the number of people per square kilometre. Places with high population density, such as cities, have many people living close together. This is often due to flat land, good job opportunities, and excellent transport links. Places with low population density, such as mountains or deserts, may be sparsely populated because of steep relief, extreme climates, or poor soils. The population distribution shows how people are spread out across an area. In the UK, the population is densest in the south-east of England around London and in other major cities like Birmingham and Manchester.
地理也探讨一个地区居住多少人及其原因。人口密度是指每平方千米的人口数量。人口密度高的地方，如城市，许多人密集居住在一起。这通常归因于地势平坦、就业机会良好以及交通便利。人口密度低的地方，如山区或沙漠，可能由于地形陡峭、气候极端或土壤贫瘠而人口稀少。人口分布显示人口在一个区域内的散布方式。在英国，人口最密集的地区是伦敦周围的英格兰东南部，以及伯明翰、曼彻斯特等其他主要城市。
Migration is the movement of people from one place to another with the intention of settling temporarily or permanently. People may move within a country (internal migration) or between countries (international migration). Push factors are reasons that make people want to leave a place, such as unemployment, war, poor housing, or natural disasters. Pull factors are attractions that draw people to a new area, such as better jobs, higher wages, good schools, safety, or a pleasant climate. In Year 7, you learn about rural-to-urban migration, which is a major cause of urbanisation in many parts of the world. Understanding migration helps to explain changing population patterns and the diversity of communities.
迁移是指人们从一个地方移动到另一个地方，意图暂时或永久定居。人们可能在国内迁移（内部迁移）或在国与国之间迁移（国际迁移）。推力因素是人们想要离开一个地方的原因，如失业、战争、住房条件差或自然灾害。拉力因素是吸引人们前往新地区的条件，如更好的工作、更高的工资、优质学校、安全感或宜人的气候。在七年级，你将学习从乡村到城市的迁移，这是世界许多地区城市化的主要原因。理解迁移有助于解释人口模式的变化和社区的多样性。
9. Environmental Issues and Sustainability | 环境问题与可持续性
Human activities interact with the natural environment, sometimes causing damage. Key environmental issues at Year 7 level include pollution, deforestation, and climate change. Pollution can affect air, water, and land. For example, vehicle exhausts release gases that cause poor air quality; factories may discharge chemicals into rivers; plastic waste pollutes oceans and harms wildlife. Deforestation, the cutting down of forests on a large scale, reduces biodiversity and can lead to soil erosion and increased carbon dioxide in the atmosphere because trees absorb CO₂. Climate change refers to long-term shifts in temperatures and weather patterns, largely caused by human emissions of greenhouse gases.
人类活动与自然环境相互作用，有时会造成破坏。七年级水平的关键环境问题包括污染、森林砍伐和气候变化。污染会影响空气、水和土地。例如，汽车尾气排放导致空气质量下降；工厂可能向河流排放化学物质；塑料垃圾污染海洋并危害野生动物。森林砍伐，即大规模砍伐森林，会减少生物多样性，并可能导致土壤侵蚀和大气中二氧化碳增加，因为树木能吸收 CO₂。气候变化指温度和天气模式的长期变化，主要由人类排放温室气体引起。
Sustainability means meeting the needs of the present without compromising the ability of future generations to meet their own needs. This can be achieved by using renewable resources, reducing waste, recycling, and protecting ecosystems. In geography, we study sustainable practices like using wind and solar energy, building with sustainable materials, and designing cities with green spaces and efficient public transport. Even simple actions such as switching off lights when not in use, walking or cycling instead of taking a car for short distances, and reducing single-use plastics contribute to sustainability. Year 7 students learn that everyone has a role in protecting the environment for the future.
可持续性意味着满足当代人的需求，而不损害后代满足其需求的能力。这可以通过利用可再生资源、减少废物、回收利用和保护生态系统来实现。在地理中，我们研究可持续实践，如使用风能和太阳能、使用可持续材料建造，以及设计拥有绿地和高效公共交通的城市。即使是简单行动，如随手关灯、短距离步行或骑自行车代替乘车、减少一次性塑料使用，都有助于可持续性。七年级学生将认识到，每个人都在为未来保护环境中扮演着角色。
10. Fieldwork Skills | 田野考察技能
Fieldwork is an essential part of geography that involves collecting data outside the classroom. It allows students to apply their knowledge to real places and develop practical skills. Before going out, you must plan your enquiry: choose a topic, formulate questions or hypotheses, and decide what data you need to collect. Data can be primary (collected first-hand through observations, measurements, or questionnaires) or secondary (obtained from books, maps, or websites). During fieldwork, you might record traffic counts, measure river width and depth, sketch landscapes, conduct land use surveys, or ask local people questions.
田野考察是地理学不可或缺的一部分，涉及在课堂外收集数据。它让学生将知识应用于真实地点，并发展实践技能。出发前，你必须规划调查：选定主题，制定问题或假设，并确定需要收集哪些数据。数据可以是第一手数据（通过观察、测量或问卷直接收集）或第二手数据（从书籍、地图或网站获取）。在田野考察中，你可能会记录交通流量、测量河流宽度和深度、绘制景观草图、进行土地利用调查或向当地人提问。
After collecting data, it needs to be presented clearly. You might draw bar charts, line graphs, or pie charts to show numerical data. Annotated sketches and maps help to show spatial patterns. The next step is analysis – looking for patterns, relationships, or anomalies. Finally, you reach conclusions that answer your original questions, and evaluate the reliability of your methods. For example, if you studied footpath erosion near your school, you might conclude that trampling is worse on paths leading to a popular viewpoint, and note that more visits at different times would improve reliability. Fieldwork ties together many other geography topics and helps develop critical thinking.
收集数据后，需要清晰地呈现。你可以绘制条形图、折线图或饼图来展示数值数据。带有注释的素描和地图有助于显示空间模式。下一步是分析——寻找模式、关系或异常。最后，得出结论以回答最初的提问，并评估所用方法的可靠性。例如，如果你研究了学校附近的小径侵蚀，你可能得出结论：通往热门观景点的小径踩踏更严重，并指出在不同时间进行更多次考察将提高结论的可靠性。田野考察将许多其他地理主题联系在一起，有助于培养批判性思维。
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