Sedimentary materials are particles that accumulate over time, forming layers on the Earth's surface. These materials can include sand, silt, clay, and organic matter, which are often transported by water, wind, or ice. When these particles settle in bodies of water or on land, they can compact and cement together, creating sedimentary rocks. Common examples of sedimentary materials include limestone, shale, and sandstone. These rocks often contain fossils, which provide valuable information about past environments and life forms. Sedimentary materials play a crucial role in the Earth's geology and are essential for understanding the planet's history.