Podcast
Questions and Answers
산맥의 형성은 주로 어떤 과정에 의해 일어나는가?
산맥의 형성은 주로 어떤 과정에 의해 일어나는가?
해안 지형 중 하나로, 바닷가에突出해 있는 땅으로 이루어져 있는 것은?
해안 지형 중 하나로, 바닷가에突出해 있는 땅으로 이루어져 있는 것은?
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화산섬의 형태를 결정하는 요인은?
화산섬의 형태를 결정하는 요인은?
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산맥의 형태에 따라 분류할 때, 다음과 같은 산맥을 호출하는 것은?
산맥의 형태에 따라 분류할 때, 다음과 같은 산맥을 호출하는 것은?
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해안 지형 중 하나로, 바닷가에 둘러싸여 있는 땅으로 이루어져 있는 것은?
해안 지형 중 하나로, 바닷가에 둘러싸여 있는 땅으로 이루어져 있는 것은?
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Study Notes
Mountain Formation
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Process of Mountain Building:
- Folding: compression of Earth's crust causing rocks to buckle and fold
- Faulting: movement along faults creating mountains through uplift and erosion
- Volcanic activity: accumulation of volcanic rocks and lava flows
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Types of Mountains:
- Fold mountains (e.g., Himalayas)
- Volcanic mountains (e.g., Mount St. Helens)
- Block mountains (e.g., Sierra Nevada)
Plate Tectonics
- Theory: Earth's lithosphere is broken into large plates that move relative to each other
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Types of Plate Boundaries:
- Divergent: plates moving apart (e.g., Mid-Atlantic Ridge)
- Convergent: plates moving towards each other (e.g., Andean mountain building)
- Transform: plates sliding past each other (e.g., San Andreas Fault)
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Plate Interactions:
- Continental drift: movement of continents
- Seafloor spreading: creation of new oceanic crust
Volcanic Landforms
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Volcanic Features:
- Shield volcanoes: gently sloping, broad volcanoes (e.g., Hawaiian Islands)
- Composite volcanoes: steep-sided, conical volcanoes (e.g., Mount Fuji)
- Calderas: large depressions formed by volcanic collapse (e.g., Crater Lake)
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Volcanic Landforms:
- Lava flows: solidified molten rock
- Volcanic ash: fine particles ejected during eruptions
Desert Landforms
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Desert Features:
- Dunes: wind-formed ridges of sand
- Playas: dry lake beds
- Mesa: flat-topped hills formed by erosion
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Desert Processes:
- Deflation: removal of fine particles by wind
- Erosion: wear and tear of desert surfaces
- Deposition: accumulation of sediment in deserts
Coastal Features
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Coastal Processes:
- Wave action: erosion and deposition by ocean waves
- Tides: periodic rising and falling of sea level
- Currents: movement of water along coastlines
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Coastal Landforms:
- Beaches: gently sloping zones of sediment
- Cliffs: steep slopes formed by erosion
- Headlands: rocky formations jutting into the sea
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Description
Test your knowledge of different geographical landforms and processes, including mountain formation, plate tectonics, volcanic landforms, desert features, and coastal processes.
