"Continents and Oceans" PPT courseware for the world where humans live together

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"Continents and Oceans" PPT courseware for the world where humans live together

Part One Content: Knowledge Expansion

On April 12, 1961, the Soviet Union's Yuri Gagarin circled the earth on the Vostok 1 spacecraft, which lasted 1 hour and 48 minutes. He completed the world's first manned space flight and realized mankind's desire to enter space.

Gagarin also said an interesting thing when he was orbiting the earth. "Human beings have given the earth the wrong name. It should not be called earth, but should be called water ball."

Is the land area larger or the ocean area larger?

Continents and Oceans PPT, Part 2: Distribution of land and sea in the world

Seven parts ocean, three parts land

Continent: A continent together with its surrounding islands is called a continent.

best in the world

The largest continent in the world: Eurasia

The largest island in the world: Greenland

The largest peninsula in the world: Arabian Peninsula

The largest archipelago in the world: the Malay Archipelago

Find the largest islands, peninsulas, archipelagos on the world topographic map

3. Seven Continents

(1) Distribution characteristics of continents: except Antarctica, they are distributed symmetrically in pairs

(2) The best in the continent:

The largest area?

The smallest one?

The lowest altitude?

The largest across longitudes?

The highest latitude?

The highest altitude?

(3) Continents crossed by several special latitudes:

Continents crossed by the equator:

Continents crossed by the Tropic of Cancer

continents crossed by the arctic circle

Continents crossed by the Tropic of Capricorn

Continents crossed by the Antarctic Circle

A continent that the equator, Tropic of Cancer, and Tropic of Capricorn all pass through

Continents and Oceans PPT, Part Three: The Impact of the Ocean on Humanity (Significance)

1. The concept of ocean and sea

Ocean: It is the main part of the ocean. It is far away from the continent, has a large water area and is very deep (an average of more than 2,000 meters).

Sea: It is the edge part of the ocean, with small water area and shallow depth.

Pacific Ocean: the largest, deepest, and most islands

Atlantic Ocean: “S” shape

Indian Ocean: All in the Eastern Hemisphere, most in the Southern Hemisphere

Arctic Ocean: smallest in area, highest in latitude, widest in longitude, shallowest, all located in the Northern Hemisphere

Pacific Ocean: Surrounded by Asia, Oceania, Antarctica, South America, and North America; connected to the Indian Ocean and Atlantic Ocean to the south, and connected to the Arctic Ocean to the north

Atlantic Ocean: Surrounded by Europe, Africa, Antarctica, South America, and North America; connected to the Indian Ocean and Pacific Ocean to the south, and connected to the Arctic Ocean to the north

Arctic Ocean: Surrounded by Europe, Asia, and North America, connected to the Atlantic and Pacific Oceans in the south

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

For more information about the PPT courseware "The Continents and Oceans of a World in which Mankind Lives Together", please click the "Continents and Oceans in a World in which Mankind Lives Together" ppt tag.

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Update Time: 2024-09-08

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