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Core concepts.pptx2012

Core concepts.pptx2012






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    Core concepts.pptx2012 Core concepts.pptx2012 Presentation Transcript

    • ▪ Students will▪ Describe ways geographers use latitude and longitude to study Earth.▪ Identify the basic questions geographers seek to answer in their study of Earth.▪ Identify the 5 themes of geography.▪ Describe ways geographers use location, place, region, movement, and human-environment-interaction to study and understand Earth.
    •  Geography is the study of the human and nonhuman features of Earth, our home. Geographers try to answer two basic questions: Where are things located? Why are they there? They also study how Earth and its people affect each other.
    •  In order to study Earth, geographers need to measure it and locate points on its surface.  Cardinal directions are north, south, east and west. Intermediate directions lie between the cardinal directions. ▪ Ex- Northeast, Southwest
    •  Earth is almost a perfect sphere, or round shaped body. Geographers have drawn imaginary lines around Earth to help locate places on its surface. One of these is the Equator, a line drawn around the Earth between the North and South Poles. The Equator is the most important line of latitude.
    •  The Equator is also known as the O degree latitude line.  Latitude is the distance north or south of the Equator. The Equator divides Earth in half. Each half is called a hemisphere.
    •  Geographers have also drawn imaginary north south lines that run between the North and South Pole on Earth’s surface. One of these lines is the Prime Meridian. The Prime Meridian and the other north-south lines measure longitude. The Prime Meridian establishes the Eastern and Western hemispheres.
    •  Geographers use five different themes, or ways of thinking.  These themes are location, place, region, movement, and human-environment interaction. Using five themes can help you make sense of geography.
    •  Geographers begin to study a place by finding where it is, or its location. There are two ways to talk about location.  Absolute location describes a place’s exact position on Earth in terms of longitude and latitude.  Relative location, or the location of a place relative to another place, is another way to describe location.
    •  Geographers also study place.  Place refers to the mix of human and nonhuman features at a given location. For example, you might talk about how many people live in a place and the kind of work they do there.
    •  Geographers use the them of region to group places that have something in common.  A region is an area with at least one unifying physical or human feature such as climate, landforms, population, or history.
    •  The theme of movement explores how people, goods, and ideas get from one place to another. Daily movement of trucks, trains, and automobiles supplies the people of St. Louis with food, fuel and other basic goods.
    •  The theme of human- environment interaction considers how people affect their environment, or their natural surroundings, and how their environment affects them.  The movement of water from the Mississippi into St. Louis’s water system is an example of human- environment interaction.
    •  A globe is a model of Earth with the same round shape as Earth itself. With a globe, geographers can show the continents and oceans of Earth much as they really are. Photographs are images of Earth’s surface taken from the air. Satellite images are pictures of Earth taken from orbit. Flat maps and photos have one major problem. Earth is round. A map or photo is flat. There will be areas stretched or bent.
    •  Physical maps show physical, or natural, features. Road maps cover a specific area and where roads are located. Political maps shoe political units, such as countries or states. Special-purpose show the location and distribution of human or physical features.