"Viewing the World from the Earth" PPT about the world where humans live together

"Viewing the World from the Earth" PPT about the world where humans live together

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"Viewing the World from the Earth" PPT about the world where humans live together

Part One Contents: Review: Land Area

Russia (1707): Spreads across the two continents of Europe and Asia, located in the east of Europe and the north of Asia.

Canada (997): Northern North America

China (960): Eastern Asia

United States (937): Central North America

Brazil (854): South America

Australia (769): Oceania

Scenario introduction

There were busy figures inside the International Rescue Headquarters, and the hoarse voice of the captain came from the speakers on the wall: "102° east longitude, 38° south latitude, requesting support, requesting support." The rescue workers quickly gathered around a large globe and said decisively after skillfully drawing dots and lines: "They are located in the waters near country A in the southern hemisphere. Order the rescue branch of country A to take immediate action!"

Seeing the world from the earth PPT, part 2: The size of the earth

The model of the earth is another tool for people to understand the world.

Jingwei.com

longitude and longitude

parallels and latitude

1. Shape of longitude

2. Are the longitudes equal in length?

The direction indicated by the longitude

Longitude: Internationally regulated, through London, UK

Longitude lines at the original site of the Greenwich Observatory.

The 0° longitude is the starting point for calculating east-west longitude. In 1884, the International Conference decided to use the longitude passing through the center of the meridian at the original site of the Greenwich Observatory in England as the prime meridian.

Equator and latitude

1. Shape of latitude

2. Are the weft lines equal in length?

3. The direction indicated by the latitude line

See the world from the earth PPT, part 3: Observe the latitude lines on the globe, please answer the following questions.

When comparing different parallels, do they have the same length?

In the northern and southern hemispheres, if the latitude is the same, the length is the same; if the latitude is different, the length is different.

What is the relationship between longitude and latitude?

How are latitudes arranged on the globe?

The number increases from the equator to the north and south poles

Which line is the starting point for dividing northern latitude and southern latitude?

0° latitude (equator)

How are the Northern and Southern Hemispheres divided?

0° latitude (equator)

See the world from the earth PPT, part 4: practice

1) In the latitude and longitude network, the coordinates of point A are (300N, 450W) (30° north latitude, 45° west longitude).

2) According to the northern and southern hemispheres, point A belongs to the ____ hemisphere.

3) According to the eastern and western hemispheres, point A belongs to the ____ hemisphere.

Look at the pictures and talk:

1) In what direction is point A to point B?

2) In what direction is point C located at point D?

3) The latitude of point A is

4) The latitude of point B is

5) The longitude of point C is

6) The longitude of point D is

See the world from the earth PPT, part 5: Africa’s geography and climate

1) Africa's location relative to other continents.

Southwest Asia, Southern Europe

2) Africa’s position relative to the ocean.

Indian Ocean West Coast, Atlantic Ocean East Coast

3) Which temperature zone does the main body of Africa belong to?

tropical

4) What are the climate types in Africa from south to north?

Mediterranean climate, savanna, tropical desert, tropical rainforest, plateau mountain, tropical desert, Mediterranean climate.

Keywords: free download of PPT courseware for seventh-grade history and society from People's Education Edition, PPT download of viewing the world from the earth, PPT download of the world where human beings live together, .PPT format;

For more information about the PPT courseware "A World Where Humanity Lives Together - Seeing the World from the Earth", please click the "A World Where Mankind Lives Together - Viewing the World from the Earth" ppt tag.

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