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A Landslide is the movement of rock, soil and debris down a hillside or slope.
Landslides take lives, destroy homes, businesses, and public buildings, interrupt transportation, undermine bridges, derail train cars, cover marine habitat, and damage utilities.
The term landslide includes a wide range of ground movement, such as rock falls, deep failure of slopes, shallow debris flows and mudslides. Ground failures that result in landslides occur when gravity overcomes the strength of a slope.
Funk & Wagnalls New World Encyclopedia
Don't know anything about a topic? Start here and find some general articles to get you started. This is suitable for upper elementary and older, as it does not include pictures.
Science Reference Center
Topics covered include biology, chemistry, earth & space science, environmental science, health & medicine, history of science, life science, physics, science & society, science as inquiry, scientists, technology and wildlife. Content is correlated to state and national curriculum standards.