"Continents and Oceans" Land and Ocean PPT Courseware 7

Description

"Continents and Oceans" Land and Ocean PPT Courseware 7

learning target

1. Understand the distribution characteristics of global sea and land, and remember the proportion of sea and land area.

2. Learn to use maps to identify continents, continents, islands, oceans, seas and straits.

3. Be able to explain the names, locations, outlines and distribution characteristics of the seven continents and four oceans on the world map.

test you

Do you know that the earth's ocean area is larger than its land area?

Gagarin, the first man in space, said a very interesting thing when he was orbiting the earth. Do you know what he said?

"Human beings have given the earth the wrong name. It should not be called earth, but should be called water ball."

The proportion of land and sea area on the Earth’s surface:

____ of the earth's surface is ocean, while land area only occupies ____. To summarize: ___ part of the earth is ocean and ___ part is land.

do you know?

Viewed from a globe, the world's land and sea are very unevenly distributed. Land is mainly distributed in the northern hemisphere, and oceans are mainly distributed in the southern hemisphere.

Looking from the Eastern and Western Hemispheres, land is mainly distributed in the Eastern Hemisphere, and oceans are mainly distributed in the Western Hemisphere.

No matter how we divide it, any two equal-sized hemispheres of the earth have an ocean area larger than the land area. Even in the land hemisphere, the ocean area is larger than the land area.

Please connect the four oceans with their area order and typical characteristics

The Atlantic Ocean is the ocean with the largest area, deepest depth, most islands, and most coral reefs.

The Pacific Ocean is the second largest in area and is shaped like an "S". The Caribbean Sea and the mysterious Bermuda Triangle

The Arctic Ocean is the third largest tropical ocean in area and is rich in oil resources.

The Indian Ocean has the smallest area and the highest latitude. It has sea ice that does not melt all year round, as well as polar bears, seals, walruses, whales and other animals.

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For more information about the "Continents and Oceans Land and Oceans" PPT courseware, please click on the "Continents and Oceans ppt Land and Oceans ppt" tab.

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File Info

Update Time: 2024-08-07

This template belongs to Geography courseware People's Education Edition Geography for Grade 7 Volume 1 industry PPT template

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