Across
- 1. the movement caused in a fluid from hotter conditions causing less dense material to rise, and colder, denser material to sink
- 3. A supercontinent all of the continents connected
- 5. The densest layer of Earth and solid
- 7. the upper atmosphere between about 50 and 80 km (30 and 50 miles) above the surface of the Earth
- 10. Movement of materials from inside Earth
- 12. the rigid outer part of the earth
Down
- 2. A layer of Earth that is liquid and mostly Fe and Ni
- 4. The layer of Earth that we stand on
- 6. the relationship between the mass of the substance and how much space it takes up
- 8. A semi-liquid layer of Earth
- 9. A planet in the milky way
- 11. shaking of the ground caused by the passage of seismic waves