Name: __________________________________ Date: _____________________ Chapter 1 Notes The Geographer’s Toolbox 1.1 Thinking Spatially Geographers study the location of places and the people who live there by using spatial thinking and looking for patterns Spatial thinking: thinking about the space on Earth’s surface including where places are located and why they are there Geographic patterns: similarities among places Example: location of large cities near water Geographic information Systems: geographers use computer based systems to create maps and analyze patterns. They are used for city planning, businesses for marketing, selecting store locations, and for analyzing and displaying weather maps 1.2 Themes and Elements Geographers use the five themes of geography to understand the world! 1. Location: Definition: where a place is Location answers the question, “Where is it?” Two Types of Location: Absolute/exact location: using longitude and latitude lines and addresses Geographers use a satellite system called the Global Positioning System (GPS) to find the absolute/exact location Example: New Jersey is located at 40°N and 75°W. West Essex Middle School is located on 65 West Greenbrook Road in North Caldwell, New Jersey. 1 Relative location: comparing one place/location to another place/location Example: The football field is south of West Essex Middle School. The Great Wall is located near Beijing in northern China. 2. Place Place answers the question, “What do you find there?” Every place can be described by physical features (flat land, plants, animals, rivers, etc.) and human features (customs, languages, etc.) Example: The Grand Canyon has steep rock walls that were carved over centuries by the Colorado River and is visited by many tourists each year. 3. Human-Environment Interaction Definition: How humans affect the environment and how the environment affects humans Example: Humans cut down trees or build dams to change the flow of rivers (Humans affect the environment) Example: People in Northern Alaska wear sealskin clothes to protect themselves from the environment (The environment affects humans) 4. Movement Definition: how people, ideas, animals, and goods move from one place to another Examples: the spread of different religions and ideas around the world people trading goods people and animals moving from one place to another (migration) 5. Region Why do geographers divide the world into regions? Geographers divide the world into regions or areas that have shared features or common characteristics. 2 Define a region by: 1. 2. 3. 4. physical features climate human features economics Example: Northeast Region of the United States has four seasons. People in the Northeast cheer for teams such as the New York Giants, New York Jets, and the New England Patriots. The Northeast Region has many people and there are large cities such as New York City and Boston. 1.3 World Regions Geographers divide the world into regions. Each region shares physical and human characteristics. Region: a group of places with common traits Continent: a large landmass on the Earth’s surface There are seven continents: Africa, Asia, Australia, Europe, North America, South America, and Australia Why do geographers divide the world into regions? Geographers divide the world into regions to learn about the similarities and differences among them. 2.1 Elements of a Map Maps and globes are tools used to study places on Earth Globe: a three-dimensional or spherical representation of Earth A globe shows Earth as a whole! Map: a two-dimensional or flat representation of the Earth A map is used to show a section of the Earth! 3 Latitude Lines: Run west and east Measure distances north and south of the equator Latitude lines are parallel to the equator and never touch The equator is located at 0° latitude Lines of latitude are also known as parallels Longitude Lines: Run north and south from the North Pole to the South Pole Measure distances east or west of the prime meridian The prime meridian is located at 0° longitude The prime meridian runs through Greenwich, England Lines of longitude are also known as meridians Hemisphere: half of Earth The equator divides Earth into the Northern and Southern Hemispheres. The prime meridian divides Earth into the Western and Eastern Hemispheres. 2.2 Map Scales Maps use scales for different purposes Scale: shows how much distance on Earth is shown on the map A large-scale map covers a small area but shows many details. Example: A map of Rome, Italy A small-scale map covers a large area but includes few details. Example: A map of all of the different countries in Europe A scale is usually measured in inches and/or centimeters! 4 2.3 Political and Physical Maps Cartographers: mapmakers who create different types of maps A political map shows features that humans have created labeled states, provinces, and cities boundary lines between areas A physical map shows natural features such as mountains, plains, valleys, oceans, and lakes shows elevation (height above sea level) shows relief (change in elevation from one place to another) 2.4 Map Projections Cartographers use various map projections to show Earth’s curved surface on a flat map Maps distort or change shapes, areas, distances, and directions because maps are flat and the world is a sphere! Projections: ways of showing Earth’s curved surface on a flat map Common map projections: Azimuthal projection Mercator projection Homolosine projection Robinson projection Winkel Tripel Projection 2.5 Thematic Maps Thematic maps focus on specific topics such as the population density or economic activity in a region or country Theme: specific topic Common thematic maps: point symbol map dot density map proportional symbol map 5 6