| Category | Format | Size |
|---|---|---|
| People's Education Press History and Society seventh grade | pptx | 6 MB |
"The Impact of the Ocean on Humanity" PPT download of the world where humans live together
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"The Impact of the Ocean on Humanity" PPT download of the world where humans live together
Part One: Approaching the Ocean
Identify the following concepts: sea, ocean, strait
Ocean: far away from the mainland, with an average water depth of more than 2,000 meters.
Sea: The edge of the ocean.
Strait: A narrow waterway connecting two seas.
Referring to the picture above, please describe the locations of the four oceans.
The Pacific Ocean is the body of water between Asia, Oceania, Antarctica, South America, and North America.
The Atlantic Ocean is the body of water between North America, South America, Antarctica, Africa, and Europe.
Indian Ocean: is the body of water between Asia, Africa, Oceania and Antarctica.
Arctic Ocean: is the body of water between North America, Europe and Asia.
PPT on the impact of the ocean on humans, part 2: Four oceans
Pacific Ocean: The largest area, the highest water temperature, the deepest water body, and the most islands.
Atlantic Ocean: The second largest ocean in the world, with an "S"-shaped outline and developed shipping.
Indian Ocean: The third largest ocean in the world, it is named Indian Ocean because it is located south of the Indian Peninsula in Asia.
Arctic Ocean: The smallest and shallowest of the four oceans. The coastline is tortuous, with many islands. The ocean is covered with ice all year round, so it is called the "ice ocean".
The Impact of the Ocean on Humanity PPT, Part 3: The Impact of the Ocean on Humanity
1. The hometown of rainwater (providing fresh water resources)
Water vapor on the ocean surface---ocean air---land air---ground---fresh water resources
2. A treasure trove of resources
1) Biological resources—such as fish, shrimp and other seafood
2) Mineral resources—such as oil, natural gas, ore, etc.
3) Chemical resources—such as salt, sulfur, phosphorus, etc.
The benefits of fishing and salt, the source of energy
3. Living space (reclamation from sea and land)
(1) Canal
Maritime transportation routes promote material exchange around the world
Find it: The world’s major canals
1) Suez Canal (located at the junction of Asia and Africa)
2) Panama Canal (located at the junction of North America and South America)
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For more information about the PPT courseware "The Impact of the Ocean on Humanity in a World Where Humanity Lives Together", please click the "Influence of the Ocean on Humanity in a World Where Humanity Lives Together" ppt tag.
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Update Time: 2024-07-12
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