Download to read offline
Introduction-to-Maps major major point of SST
- 1. Introduction to Maps Mapsare visual representations of the Earth's surface. They provide information about the location, shape, and size of different geographical features.
- 2. Types of Maps PoliticalMaps Political maps show the boundaries of countries, states, and other political divisions. They also often include major cities and capitals. Physical or Relief Maps Physical maps show the elevation and landforms of the Earth's surface, using colors and contour lines to represent mountains, valleys, and other features. Schematic Maps Schematic maps are simplified representations of a specific area or subject, like transportation routes, subway systems, or weather patterns.
- 3. Map Scale andMeasuring Distance 1 Map Scale Map scale represents the relationship between distances on the map and corresponding distances on the ground. It allows us to measure distances accurately. 2 Types of Scale There are three main types of scales: fractional scale, verbal scale, and graphic scale. 3 Measuring Distance Using a ruler or a compass, we can measure distances on a map by converting the scale ratio to real-world distances.
- 4. Compass Compass Basics A compassis a tool used to determine direction by aligning itself with the Earth's magnetic field. It is essential for navigation. Parts of a Compass The main parts of a compass are the needle, the housing, the base plate, and the compass rose. The needle points to magnetic north. Using a Compass To use a compass, hold it level and align the needle with the north arrow on the compass rose. You can then determine the bearing to any object.
- 5. Conventional Signs and Symbols SymbolMeaning Blue lines Rivers Green areas Forests Black dots Cities Red lines Roads Brown lines Mountain ranges
- 6. Sketching and Planning Step1: Observation Carefully observe the area you are going to sketch and take notes on its main features. Step 2: Outline Draw the general outline of the area, paying attention to the relative positions of features. Step 3: Details Add details like buildings, roads, rivers, and other important landmarks. Step 4: Labeling Label all the features on your map, using the correct symbols and abbreviations.
- 7. Uses of Maps Navigation Mapsare used for navigation, helping us find our way around unfamiliar places. Geography Maps are essential tools in geography, allowing us to study the Earth's surface and its features. Planning Maps are used for planning purposes, like urban development, resource management, and disaster response. Research Maps are used for research in various fields, including history, archaeology, and environmental studies.
- 8. Summary Maps are powerfultools that help us understand the world around us. They provide valuable information about locations, distances, and geographical features, making them essential for navigation, research, and planning.