Across
- 2. second fastest waves
- 4. energy released in the form of vibrations
- 7. detects and records vibrations
- 8. naturally occurring solid mixture of minerals
- 9. fastest waves
Down
- 1. liquid rock material that comes from earth
- 2. the study of earthquakes and seismic waves
- 3. magma at earths surface
- 5. rock formed by erosin and weathering
- 6. felsic and light or mafic and dark