Soil and Erosion
What is the top layer of soil that is dark-colored, rich in minerals, and not very deep?
What is topsoil?
What is the solid outer layer of the Earth?
What is the crust?
What do we call the starting point of a river?
What is the river's source?
What do we call melted rock that flows from a volcano?
What is lava?
What process involves the breaking down of rock into soil?
What is weathering?
What is the layer of soil below the topsoil that is lighter in color and has fewer minerals?
What is subsoil?
What is the middle layer of the Earth called?
What is the mantle?
What is the name for the part of the river that flows into the ocean?
What is the river’s mouth?
What is the name for a place in the Earth where magma erupts as lava?
What is a volcano?
What is taking care of the soil to prevent soil erosion and support plant growth?
What is soil conservation?
What is the name for the practice of planting different crops each year to preserve soil health?
What is crop rotation?
What is the innermost part of the Earth?
What is the core?
What is a landform that occurs at the mouth of a river due to deposited soil and sand?
What is a delta?
What do we call the shaking of the Earth’s crust?
What is an earthquake?
What do we call precipitation that runs off the land and trickles into streams and rivers?
What is water runoff?
What is the process of losing topsoil through water and wind?
What is soil erosion?
What is the rock layer beneath subsoil that is part of the Earth's crust?
What is bedrock?
What is a natural formation of rock or soil on the Earth's surface called?
What is a landform?
Where do earthquakes typically happen, between two of the Earth's plates?
What is a fault?
What is a mass of soil and rock that slides down a mountain or cliff due to gravity?
What is a landslide?
What is the term for caring for soil to prevent erosion and maintain fertility?
What is soil conservation?
What is a substance or material in the Earth that has never been alive?
What is a mineral?
What do we call fine sand or soil that is carried by water and settles at the bottom of a body of water?
What is silt?
What is a mass of rock or soil that moves down a mountain or cliff?
What is a landslide?
What is the term for soil formation from rock?
What is weathering?
What do we call the decayed material found in soil?
What is humus?
What is water runoff?
What is precipitation on land that eventually trickles into streams?
What do we call hot, liquid rock that is part of the earth's mantle?
What is magma?
What is a gully, and how is it formed?
What is a ditch formed by soil erosion?