Across
- 6. This is the number of physical layers that the Earth has.
- 7. Mountains are found at this type of boundary.
- 8. The supercontinent that existed millions of years ago.
- 9. This part of the core is a solid metal.
- 10. Earthquakes occur at these boundary types.
Down
- 1. These types of currents cause the continents to drift.
- 2. Synonymous with tectonic plates.
- 3. Which layer of the earth is said to be "plastic"?
- 4. this part of the core is a hot liquid.
- 5. Plates move apart at these boundary types.