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Unit 4 Lesson 5: Weathering and Erosion Crossword

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Across
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__________ weathering: The process in which rock is broken down by changes in its chemical composition
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________ weathering: Any process that breaks rock down into smaller pieces without changing the chemical composition of the rock
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The chemical and physical processes that break down rock at Earth's surface.
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________ wasting: The downhill movement of a large mass of rocks or soil due to gravity
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___________ wedging: The process that splits rock when water seeps into cracks, then freezes and expands.
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Small, solid pieces of material that come from rocks or living things
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The dark organic material in soils, produced by the decomposition of plants, that provides nutrients to help plants grow.
Down
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A loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation
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The process in which sediment is laid down and accumulated in new locations.
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The moving of weathered material, or sediment, from one location to another
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Huge, slow moving sheets of ice
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Process in which various nutrients in upper layers of soil are dissolved and carried down to lower layers.