Mapping Earth’s Physical Features - PowerPoint PPT Presentation

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Mapping Earth’s Physical Features

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  1. Mapping Earth’s Physical Features Presentation by Robert L. Martinez Primary Source Content: Geography Alive!

  2. In the winter, snowboarders look for a snowy mountain to practice their sport on.

  3. In the summer, vacationers seek to cool off by a lake or river.

  4. These are just three landforms and bodies of water that you might see on a physical features map.

  5. Geographers have given names to the many landforms found on Earth. Some landforms have distinctive shapes when viewed from above.

  6. A long, narrow peninsula, for example, juts out from a continent into the ocean and is surrounded by water on three sides.

  7. Other landforms have distinct shapes when viewed from ground level. Mountain ranges tower over low, flat plains.

  8. A plateau is a raised, flat area of land.

  9. A canyon is a deep, narrow valley with steep sides.

  10. Physical features maps show the shape of features as seen from above.

  11. They also show the elevation, or height above sea level, of various features.

  12. Theses maps typically use colors and shading to show changes in elevation.

  13. Geographers also label bodies of water on physical features maps. Many kinds of water bodies appear on continents.

  14. For instance, rivers flow down from mountains and make their way to the sea.

  15. Lakes are entirely surrounded by land.

  16. Other bodies are created where oceans and seas meet continents. A bay is part of an ocean that is enclosed by an inward-curving stretch of coastline.

  17. A gulf is a body of water that cuts deeply into the shoreline and is enclosed by land on three sides.

  18. Climate Zones

  19. To study climates, geographers divide Earth into climate zones.

  20. Each zone has a particular pattern of temperature and precipitation; rain, snow, or other forms of moisture.

  21. This pattern is often shown on a climagraph. A climagraph shows the average temperature and precipitation in a place over a year.

  22. The letters at the bottom of the graph stand for the months of the years.

  23. The curved line indicates the average monthly temperatures……..while the bars show the average monthly precipitation.

  24. Many factors affect a location’s climate, but none is more important than latitude. Places at high elevations have colder climates than those lower down.

  25. Large bodies of water can also affect an area’s climate.

  26. In coastal areas, ocean winds and warm-water currents keep temperatures even year-round.

  27. Places farther inland have more extreme climates, with hotter summers and colder winters.

  28. Australia has seven climate zones.