Across
- 4. the type of crust that is more dense
- 7. scientists that study the history of the Earth
- 8. scientists that study the remains of dead organisms
- 9. the type of crust that is less dense
Down
- 1. the thickest layer of the Earth
- 2. the inside view of something
- 3. the remains of dead organisms
- 5. the outermost and thinnest layer of Earth
- 6. the innermost section of the Earth that also creates the geomagnetic field