Across
- 1. The unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants.
- 5. tectonic plates that divide
- 6. tectonic plates that mush against each other
- 8. the original rock from which younger rock or soil is formed.
- 10. cycle is a continuous process by which rocks are created, changed from one form to another, destroyed, and then formed again.
- 11. molten rock ejected by volcanoes in the form of a liquid.
- 12. extremely hot liquid and semi-liquid rock located under Earth's surface.
- 13. tectonic plates that slide against
- 14. the extensive interval of time occupied by the geologic history of Earth
- 15. vibration generated by an earthquake, explosion, or similar energetic source and propagated within the Earth or along its surface.
Down
- 1. a distinct layer of soil, approximately parallel with the land surface, whose properties develop from the combined actions of living organisms and percolating water.
- 2. the breaking down or dissolving of rocks and minerals on the surface of the Earth
- 3. the careful maintenance and upkeep of a natural resource to prevent it from disappearing.
- 4. the extensive interval of time occupied by the geologic history of Earth
- 7. the original rock from which younger rock or soil is formed.
- 9. formed by solidification of magma.
- 16. the rock that is formed through intense heat and preser