Lesson 4.1 vocabulary

The process by which water, ice, wind, or gravity moves weathered particles of rock and soil.

• Chemical weathering

• Deposition

• Erosion

• Sediment

The type of weathering in which rock is physically broken into smaller pieces.

• Erosion

• Chemical weathering

• Deposition

• Physical (mechanical) weathering

The process that breaks down rock through chemical changes.

• Chemical weathering

• Deposition

• Erosion

• Physical (mechanical) weathering

The loose, weathered material on Earth’s surface in which plants can grow.

• Sediment

• Bedrock

• Soil

• Organic matter

Dark-colored organic material in soil.

• Humus (organic matter)

• Subsoil

• Topsoil

• Bedrock