Across
- 3. A natural, solid substance with its own chemical makeup.
- 4. A small piece or chunk of rock.
- 5. Soil that is dark, spongy, and rich in decayed plants.
- 6. A solid material made of one or more minerals.
- 8. Soil made up mostly of sand grains, dry and gritty.
Down
- 1. A type of rock formed when heat and pressure change other rocks.
- 2. A type of rock made from layers of sand, mud, or small pieces of other rocks.
- 3. A type of rock formed when melted rock (magma or lava) cools and hardens.
- 4. Soil with very fine particles, smoother than sand but not sticky.
- 7. Soil with very tiny particles that hold water and feel sticky.