Science: Essential Question

Why does the Earth's surface look the way it does? Well, the Earth looks the way it does due to: Natural Disasters, and the Big Bang. But, a big part of how our Earth looks is due to Erosion. There are four different types of Erosion, for Example Wind Erosion, Water Erosion, Chemical Erosion and Glacier Erosion. Wind Erosion, is when the wind carries sand or dirt into a rock, chipping away the rock, causing the rock to take a different form. Second, Water Erosion, is when there's a flood or a heavy rain, water runs down the side of a mountain or hill making canyons and ditches. Glacier Erosion, is when a huge glacier moves a cross a patch of land and flattens out all of the hills and mountains in the area.