landform - part of the earth's surface with a unique shape, sediment - another name for rocks pebbles and sand that can be carried away by water, wind, and ice, deposition - the process when wind, water, and ice build up on the earth's surface by dropping sediment in new locations, erosion - the process in which gravity, water, and ice, and wind move sediment from one place to another on the earth's surface, weathering - the process in which there is wearing or breaking down of rock over time by natural elements like rain, wind, and sun, cataclysmic event - an event that causes a sudden change to the earth's surface. Ex. tornado, tsunami, hurricane, volcano, deposition - A massive flood happens and piles of rocks end up building a damn in the river - this is an example of ________ ., erosion - sand is being carried out to sea by the waves - this is an example of _________ ., deposition - sand and silt are being deposited at the mouth of a river - this is an example of ______ ., weathering - water seeps into a crack and turns to ice, it slowly expands, eventually causing the rock to break - this is an example of _________ . ,

Earth's Changing Surface

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