Soil Vocabulary Decompose-The separation of a substance into a simpler substance, the process of decaying or rotting. Organic Matter-Matter composed of compounds that come from the remains of plants and animals and their waste products in the environment. Nutrients-A substance that provides nourishment. Geologist-A scientist who studies the origin of Earth along with its rocks, minerals, and landforms, and of the history of the changes these have undergone. Mineral-A naturally occurring, solid, inorganic element or compound having a uniform composition and a specific crystal structure. Soil-The loose top layer of Earth’s surface, consisting of rock and mineral particles mixed with decaying organic matter (humus). Deposition-Solid material left or laid down by a natural process. Erosion-The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier. Soil Vocabulary Decompose-The separation of a substance into a simpler substance, the process of decaying or rotting. Organic Matter-Matter composed of compounds that come from the remains of plants and animals and their waste products in the environment. Nutrients-A substance that provides nourishment. Geologist-A scientist who studies the origin of Earth along with its rocks, minerals, and landforms, and of the history of the changes these have undergone. Mineral-A naturally occurring, solid, inorganic element or compound having a uniform composition and a specific crystal structure. Soil-The loose top layer of Earth’s surface, consisting of rock and mineral particles mixed with decaying organic matter (humus). Deposition-Solid material left or laid down by a natural process. Erosion-The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier. Soil Vocabulary Decompose-The separation of a substance into a simpler substance, the process of decaying or rotting. Organic Matter-Matter composed of compounds that come from the remains of plants and animals and their waste products in the environment. Nutrients-A substance that provides nourishment. Geologist-A scientist who studies the origin of Earth along with its rocks, minerals, and landforms, and of the history of the changes these have undergone. Mineral-A naturally occurring, solid, inorganic element or compound having a uniform composition and a specific crystal structure. Soil-The loose top layer of Earth’s surface, consisting of rock and mineral particles mixed with decaying organic matter (humus). Deposition-Solid material left or laid down by a natural process. Erosion-The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier. Soil Vocabulary Decompose-The separation of a substance into a simpler substance, the process of decaying or rotting. Organic Matter-Matter composed of compounds that come from the remains of plants and animals and their waste products in the environment. Nutrients-A substance that provides nourishment. Geologist-A scientist who studies the origin of Earth along with its rocks, minerals, and landforms, and of the history of the changes these have undergone. Mineral-A naturally occurring, solid, inorganic element or compound having a uniform composition and a specific crystal structure. Soil-The loose top layer of Earth’s surface, consisting of rock and mineral particles mixed with decaying organic matter (humus). Deposition-Solid material left or laid down by a natural process. Erosion-The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier.