Erosion - Education | National Geographic Society
2024年4月23日 · Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. A similar process, weathering , breaks down or dissolves rock , but does not involve movement.
Erosion - Education | National Geographic Society
Erosion is the process where rocks are broken down by natural forces such as wind or water. There are two main types of erosion: chemical and physical. Chemical erosion occurs when a rock’s chemical composition changes, such as when iron …
The process of erosion moves bits of rock or soil from one place to another. Most erosion is performed by water, wind, or ice (usually in the form of a glacier).
Hydrologic Cycle - National Geographic Society
2023年10月19日 · Erosion is the process by which earth is worn away by liquid water, wind, or ice. Erosion can include the movement of runoff. The flow of water can help carve enormous canyons, for example.
Waterfall - Education | National Geographic Society
2023年10月19日 · A waterfall is a river or other body of water's steep fall over a rocky ledge into a plunge pool below. Waterfalls are also called cascades. The process of erosion, the wearing away of earth, plays an important part in the formation of waterfalls. Waterfalls themselves also contribute to erosion.
Weathering - Education | National Geographic Society
2024年4月24日 · Weathering is the breaking down or dissolving of rocks and minerals on Earth's surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
Sedimentary Rocks - Education
2023年10月19日 · The most important geological processes that lead to the creation of sedimentary rocks are erosion, weathering, dissolution, precipitation, and lithification. Erosion and weathering include the effects of wind and rain, which slowly break down large rocks into …
The Rock Cycle - Education
2023年12月13日 · Use this printable infographic to learn about the rock cycle. There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming —that are …
Cliff - Education | National Geographic Society
2024年7月2日 · Cliffs are usually formed because of processes called erosion and weathering. Weathering happens when natural events, like wind or rain, break up pieces of rock. In coastal areas, strong winds and powerful waves break off soft or grainy rocks from hardier rocks. The harder rocks are left as cliffs.
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Water, ice, acids, salt, plants, animals, and changes in temperature are all agents of weathering. Once the rock has been broken down, a process called erosion transports the …