Across
- 4. innermost layer of the Earth (2 words)
- 5. based on physical properties and behavior
- 7. Key
- 9. compositional layer made of silicate rocks
- 10. Waves
- 12. metal layer responsible for Earth's magnetic field (2 words)
Down
- 1. used by scientists to study Earth's interior (2 words)
- 2. outer layer comprising the crust and upper mantle
- 3. outermost layer where life exists
- 6. that flows slowly, enabling plate tectonics
- 8. layer beneath the lithosphere allowing tectonic movement
- 11. Core
- 13. Core