6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Graphic Organizer

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Distortions Size

Shape

Direction

Distance

Projections Mercator

Gall-Peters

Robinson

The Cartographer’s Challenge

6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Big Idea Card

Big Ideas of the Lesson 3, Unit 2

Globes provide a three-dimensional view of the Earth. They provide the most accurate view of the world, but have limitations in their use.

Some of the limitations of globes are that they do not show much detail, are difficult to transport, and make it hard to see two far apart places at the same time.

Cartographers (map makers) use a technique called map projection to create a two-dimensional view of the world.

All map projections create distorted images of the Earth to some degree. These distortions relate to size, shape, direction, and distance.

The cartographer’s purpose and the projection used to create a map influence what information is accurate and what is distorted.

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Word Cards

14cartographer

a geographer who makes maps

Example: Cartographers use today’s technology to help them make maps.

(SS060203)

15distortion

loss of accuracy

Example: It is impossible to show the round Earth on a flat surface without some distortion..

(SS060203)

16projection

a way to map our round Earth on a flat surface

Example: The purpose of the Mercator projection was navigation.

(SS060203)

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Map Projections

Map 1

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Map Projections

Map 2

Map 3

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Map Analysis

MAP 1 MAP 2 MAP 3First

Impressions

What appears to

be accurate?

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

What appears to

be distorted?

1. Why do you think the maps look so different?

2. Which map do you think is most accurate? Why?

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

Class Discussion Notes

Map 1: ______________

Map 2 ______________

Map 3 ______________

Advantages

What is accurate?

Disadvantages

What is not accurate?

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

PowerPoint Notes – Page 1

1. Slide 50: What is in the center of the map? _______________________________

2. Slide 51: What is in the center of the map? _______________________________

3. Slide 52: What is in the center of the map? _______________________________

4. Slide 53: What is in the center of the map? _______________________________

5. Slide 54: What is in the center of the map? _______________________________

6. Slide 55: What is in the center of the map? _______________________________

7. Use the map below to calculate the distance from Kesennuma, Japan (A) to Craig, Alaska (B):

_______________________________

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6th Grade Social Studies: World Geography and Global Issues SS60203Unit 2: The World in Spatial Terms Lesson 3

PowerPoint Notes – Page 2

8. Use the map below to calculate the distance from Kesennuma, Japan to Craig, Alaska:

9. Actual Distance: _________________________________

10.Why do you think the distances differ?

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