Across
- 2. molten rock below the Earth's crust
- 4. a type of small particle found in soil
- 6. substance that makeup rock
- 7. a type of large particle found in soil
Down
- 1. a molten rock
- 2. a liquid state
- 3. when grains of sand were pressed together (sedimentary rock)
- 5. small fragments of rock
