Scale
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A ratio scale indicates the relationship between a distance on a map and the actual distance on the ground. It is commonly written as 1:X, where 1 cm on the map represents X cm in real life. To convert from a ratio scale to meters, the last two zeros are dropped; to convert to a ratio scale from meters, two zeros are added. Larger ratio scales like 1:100,000 show less detail over a larger area compared to smaller ratio scales like 1:20,000 that show more detail over a smaller area. The scale allows distances and areas on the map to be calculated.
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The document discusses map scales. It defines three types of scales: stated scale, linear scale, and ratio scale. It explains how to convert between ratio scales and stated scales using the metric system and decimal places. It provides examples of calculating distances on maps using cross-multiplication and five steps: find the ratio scale, convert to stated scale, measure map distance, use cross-multiplication, and write a conclusion statement. Finally, it describes the difference between large scale and small scale maps in terms of the level of detail shown and area covered.
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The document describes a quiz game show about employment relations topics. It lists 10 topics for 5th grade down to 1st grade, with decreasing prize amounts for each correct answer. The final question worth $1 million is about dispute resolution processes, and the recommended process is mediation.
Demographic Characteristics
Australia's population is currently growing at its fastest rate in almost 20 years due to both natural increase and immigration. Key characteristics of Australia's population include a population size of over 20 million that is concentrated along the eastern coast, an aging population structure, and an increasingly diverse ethnic composition with over a quarter of Australians being foreign-born or having foreign-born parents. The total fertility rate has risen in recent years but remains below replacement level.
Area
The document discusses the dimensions of grids on topographic maps, noting that a standard grid is 1 kilometer by 1 kilometer, equaling 1 square kilometer. It also provides the conversion that 1 square kilometer equals 1,000,000 square meters. The key point to remember from the document is the relationship between square kilometers and square meters.
My Mind Map
This document instructs the reader to develop a one-unit mind map on the back of the page, using information from an online video about mind mapping techniques explained by Tony Buzan and the page itself. It provides a link to a Google video search result on Tony Buzan's explanation of mind mapping and labels the back of the page "My Mind Map".
Deserts
1. Deserts occur in areas where evaporation exceeds precipitation, covering about 30% of the Earth's surface.
2. Deserts are classified based on average annual precipitation, ranging from extremely arid with no rain for 12 months to semi-arid with 250-500 mm of rain.
3. Hot deserts near the Tropics have large daily temperature variations without cloud cover, while cold deserts have mild to warm summers and very cold winters.
Weather and Climate
The document discusses various weather and climate concepts including:
- Weather is the current atmospheric conditions while climate is the average weather over time.
- High pressure systems are associated with clear skies and dry conditions while low pressure systems bring clouds and rain.
- Weather maps use lines of equal pressure (isobars) and symbols to show wind speed and direction helping predict future conditions.
Directive Terms Bingo
This document provides instructions for playing a game of Directive Terms Bingo using directive terms commonly found in assignments. Students are asked to create a 3x3 bingo card by choosing 9 terms from a list of 17 and filling each square. The goal is to shout "BINGO" when a student has a line of terms or fills all 9 squares.
Beat the Teacher
There are two main ways to express scale in maps using representative ratios or sentence statements. The rule of thumb for converting between ratio scale and meters is to add or remove two zeros. When taking grid references, they are written as northings before eastings and can be either 4 or 6 figure references depending on if they indicate an area or single point. The steps for finding a bearing involve placing the midpoint over the origin point, setting 180 degrees to south, and reading the bearing anticlockwise.
Grid and Area references
This document discusses grid references and how they are used to locate features on maps. It explains that topographic maps use a grid system of eastings and northings to specify locations, and that area references use a four-digit code to indicate a specific grid square. It also introduces six-figure grid references which can pinpoint an exact location within a grid square down to the tenth of the easting and northing. Examples are provided to demonstrate how to read and use both area references and more precise grid references.
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- 1. Scale: A ratio scale tells us what 1cm represents in centimetres eg 1:100,000 means 1cm represents 100,000 centimetres. When converting from ratio scale to metres you take off the last 2 zeros eg 1: 100,000 becomes 1000 metres. And vice versa when converting from metres to ratio add 2 zeros eg 500 metres becomes 1:50,000 Fill in the blanks below Ratio scales Sentence scale ___ kilometres 1: 200,000 1 centimetre represents 2000m km 1: 100,000 1 _______________________ 1 km 1: 75,000 1 _______________________ 0.75 km 1: 50,000 1 centimetre represents 500m ______ 1: 25,000 _________________________ 0.25 km 1: 10,000 _________________________ ______ 1: 5000 _________________________ 0.05 km 1: 1000 _________________________ ______ Maps drawn on progressively smaller scales increase the area of the earth that can be shown, but reduce the amount of detail that can be included. Maps drawn on progressively larger scales decrease the area that can be shown but enable more detail to be shown. This means, for example, that a map drawn to a scale of 1:20,000 covers a smaller area of the earth’s surface but shows much more detail than a map drawn to a scale of 1:100,000. Because the scale of a map shows the relationship between distances on the map and distances on the ground it can be used to calculate distances and areas.