Across
- 4. make of the crust and upper mantle
- 6. responsible for Earth's magnetic field
- 8. outermost compositional layer of the Earth
- 10. all of the water on Earth
- 12. boundary where plates move apart
- 13. the southernmost continent
- 14. boundary where plates come together
- 15. blanket of gases around the Earth
- 16. scientist who was ridiculed for Continental Drift Theory
Down
- 1. all life on Earth
- 2. 365 days
- 3. made of liquid iron and nickel
- 5. upper soft part of the mantle on which plates float
- 7. 24 hours
- 9. boundary where plates slide past one another
- 11. large supercontinent