Summary of the Video
• Ocean Floor Topography: The ocean floor comprises diverse landscapes, including the continental shelf (gentle slope extending from the shore), continental slope (steeper descent to the seafloor), and continental rise (sediment buildup at the slope's base). These lead to the abyssal plain, a vast, flat area covering nearly half the ocean floor. • Submarine Landforms: Besides the shelf, slope, and rise, significant features include seamounts (underwater volcanoes, sometimes forming islands like Hawaii), mid-ocean ridges (volcanic mountain ranges, e.g., the Mid-Atlantic Ridge), and ocean trenches (deep, V-shaped valleys, the deepest parts of the Earth). • Hydrothermal Activity: The ocean floor also features hydrothermal vents, which are hot springs formed when seawater interacts with newly formed ocean crust, becoming mineral-rich before boiling out.
FREE Ocean Floor Worksheet
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