Today in class, we watched a TED-Ed Youtube video on our laptops on Population Pyramids. We have talked about them before, but this gave a further explanation. Here is a picture of the current (2019) World Population Pyramid: Here are the important notes I wrote down when I watched the video: A population pyramid is a visual representation which has males and females on opposite sides. It shows population in each five-year age interval. (starts from ages 0-4 and ends on age 100 and up) Age intervals are grouped together into pre-reproductive (ages 0-14), reproductive (15-44), and post-reproductive (ages 45 and up). Population pyramids can be very useful when predicting future population trends. You can predict whether a country's population will increase or not. Demographic transition- when a country moves from a pre-industrial society to one with an industrial or post-industrial economy. Countries that have only recently begun the process of industrializatio...
Today in class we learned about geography and features of a map. Geography is the study of where things are found on Earth's surface and the reasons for the locations. Two key questions in geography are (1.) Where are people and activities found on Earth? and (2.) Why are they found there? We also talked about cartography, which is the art and science of mapmaking. A map is a two-dimensional or flat-scaled model of the Earth. Maps serve 2 purposes: (1.) As a reference tool to identify an object's absolute and relative location, and (2.) As a communications tool to convey the distribution of human activities or physical features. Also, there is a difference between absolute location and relative location. Absolute location is position expressed in degrees, minutes, and seconds of latitude (north and south of the equator) and longitude (east or west of the Prime Meridian). Relative location is the regional position or situation of a place relative to the position of other pla...
Today in class we reviewed the video that we watched yesterday in class about the Peters Projection Map compared to the map we are used to seeing (which is the Mercator map). We had a discussion today about the idea of having the map we normally see flipped upside-down. In the video, the cartographers presented the government workers with an idea to have it flipped, so that we don't have a "top-bottom" attitude. This is saying that since we read left to right, and consider things "on the top" as "more important", like how America is one of the first things we see on the map, we have an attitude of thinking we are more important than other countries. Also in the video, they talked about how we usually associate size with importance/power. That is why they wanted to show the real size of countries and not distortions or inaccuracies. In class, we said that Peters Projection Map, is indeed, more accurate than the Mercator map, which was invented in 156...
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