Chapter 7
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Transcript of Chapter 7
![Page 1: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/1.jpg)
Chapter 7What a wonderful World
![Page 2: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/2.jpg)
Overview of the Physical Environment
• Components
• Land – landforms, Rocks
• Water – River, lakes Oceans
• Air – Weather & Climate
• Living Environment – Natural Vegetation, Wildlife
LandLandforms,
rocks
WaterRivers, lakes,
oceans
AirWeather, climate
Living EnvironmentNatural vegetation,
wildlife
![Page 3: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/3.jpg)
Landforms and rocks
• created and changed by processes beneath and on the earth’s surface
• Examples : mountains and volcanoes , Limestone and granite
Grand Canyon in USA
A limestone cave
![Page 4: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/4.jpg)
Rivers, lakes & oceans
• Rivers are stream of water which flow from high ground to low ground
• It may include waterfalls and deltas
A river A waterfall
![Page 5: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/5.jpg)
Weather and climate
• Earth is covered with gaseous environment called the atmosphere.
• Weather. Condition of the atmosphere over a period of time.
• Climate is a weather pattern over 30 years and more.
• Elements of weather & climate
• Temperature
• Rainfall
• wind
![Page 6: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/6.jpg)
Natural Vegetation
• Plants which have not been planted by people but have grown naturally.
![Page 7: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/7.jpg)
Interrelationships between the components
• The amount of rain affects the natural vegetation.
• Rivers create and change the landforms on the Earth’s surface
![Page 8: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/8.jpg)
Activity 1
• This photograph of a rainstorm over Yukon River, Canada, demonstrates how the components of the physical environment such as weather, river and landforms are interrelated.
• Can you describe their interrelationships?
![Page 9: Chapter 7](https://reader035.fdocuments.in/reader035/viewer/2022062704/5558dae6d8b42a995d8b5bf3/html5/thumbnails/9.jpg)
Activity 2
• The physical environment comprises the living environment, water, air and land, which are all closely related to one another.
• Discuss the interrelationships between the various components from this photograph.