Each layer of soil has a specific name. Look at the drawing below, read the hints, and then write the name of the correct soil layer underneath the clue. topsoil humus bedrock subsoil This layer is made up of mostly fallen leaves and decomposed plant life. Plants and trees grow in this layer near the top. This layer is low in organic matter and can contain clay. This layer is deep underground and is mostly large rocks. Copyright © 2014 Education.com LLC All Rights Reserved More worksheets at www.education.com/worksheets