What is the term for the sudden movement of rock and soil down a slope?

Study for the Science PSSA Test. Use quizzes and flashcards, complete with hints and explanations. Prepare to ace your exam!

The term for the sudden movement of rock and soil down a slope is "landslide." This phenomenon occurs when gravity overcomes the stability of the materials on a slope, leading to a rapid downward movement. Landslides can be caused by a variety of factors, including heavy rainfall, earthquakes, volcanic activity, or human activities that destabilize the ground.

Landslides can vary in size and severity, ranging from small rock falls to large-scale movements that can affect entire hillsides. The key aspect of a landslide is the sudden nature of the movement, making it distinct from other forms of erosion or gradual soil movement, which may not occur rapidly or dramatically.

Understanding landslides is important in fields such as geology, environmental science, and civil engineering, as they can significantly impact landscapes and human infrastructure.

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