Mappingasphere

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Mappingasphere

  1. 1. Mapping a Sphere You could use them to build a volcano to help you understand volcanoes a bit better. Models help you use something familiar to understand something unfamiliar. Imagine you are studying volcanoes. How do you think baking soda, vinegar, and some clay would help you?
  2. 2. Mapping a Sphere Physical Models Mathematical Models Conceptual Models There are different types of models.
  3. 3. Mapping a Sphere Represent things that are too small. Represent things that are too big-Solar system Explain scientific theories Models are often used to…
  4. 4. Mapping a Sphere A shape best described as that of a round ball that looks the same when seen in all directions. Use dictionaries to look up the definition of a sphere. Models do have limitations… A globe is an example of what type of model?
  5. 5. Globes Flat Map Compare flat maps and globes-Similarities in the middle.
  6. 6. Completed Venn Diagram
  7. 7. What are the advantages and disadvantages of some models?
  8. 8. Mapping a Sphere When map makers use mathematics to “stretch” the Earth into a flat shape. Define Projection--
  9. 9. Define Projection- When mapmakers use mathematics to “stretch” the Earth into a flat shape. This makes distortions in various land areas and water because when cartographers (mapmakers) use math skills to project the Earth’s curved surface onto a flat map. CHALLENGE: See if you can “stretch” your Earth orange into a flat map….
  10. 10. Making Projections-What difficulties did you have?
  11. 11. Credits .. <ul><li>All video content from www.unitedstreaming.com </li></ul>

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