01.02 America's Geography.docx

01.02 America's Geography.docx - Antonio Garcia 01.02...

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Antonio Garcia 8/9/2018 01.02 America's Geography Introduction The history of the United States includes a look at its geography and the ways that people have viewed and used their environment. Are the choices that you make each week helping or hurting the environment? Explore this interactive to find out if you are making eco-friendly choices. Making eco-friendly choices is one way we can protect the ecosystem in which we live. Can you guess how the ecosystems have changed over time? Can you imagine what the United States looked like when the first settlers arrived? In this lesson, you will explore ways we use maps and other geographic tools to understand the impact of humans on their environment. Tools of Geography Most early settlers had no idea what America was like west of the Appalachian Mountains. Imagine how different their experience would have been if they had access to maps, globes, the Global Positioning System ( GPS ), and online programs like Google Earth™. These are all geography tools. People rely on these tools to get from one place to another, find a location, or determine the distance between places. A globe and a map are two common geography tools. A globe is a sphere-shaped model that gives us a three-dimensional view of the earth. While a globe is great for looking at the big picture, a map helps us with the details. Geography and history go hand in hand. Historians use maps and other geographic tools to learn about the growth of communities and countries. They compare historical maps to learn how places change over time. They also study old maps to learn how others viewed the environments in which they lived. One way to better understand the environment of the United States is through a study of its ecosystems. An ecosystem is a community in which wildlife and plants thrive due to common climate and natural resources. As you view the presentation below, notice the five main ecosystems in the United States. The ecosystems are alpine , tundra , grasslands , deciduous forest , and desert .
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