Across
- 2. contains minerals, air, water and organisms. Many types
- 5. an example of metamorphic rock
- 9. rocks made of particles of other things
- 13. caused by the way igneous rock cools
- 15. rocks created by heat
Down
- 1. a type of sedimentary rock
- 3. broken down rock, very fine material
- 4. lava under the Earth's surface
- 6. tiny particles
- 7. soil holding water, grey colour
- 8. changing rock
- 10. formed by heat, layers or pressure
- 11. found in sedimentary rock
- 12. the ideal gardener's soil!
- 14. rich with organic matter