4
Across
- 2. Waste or rough fragments of stone, brick, concrete, etc.
- 3. A type of fine-grained natural soil material.
- 7. The resistance to motion of one object moving against another.
- 8. The state of being stretched tight.
- 10. The ability of a material to allow fluids to pass through it.
Down
- 1. A powerful tractor with a broad upright blade at the front for moving earth.
- 4. A material or structure formed from a loosely compacted mass of fragments or particles.
- 5. Consisting of small grains or particles.
- 6. Related to or caused by earthquakes.
- 9. Force that causes parts of a material to slide past one another in opposite directions.