Across
- 5. a layer inside a planetary body bounded below by a core and above by a crust.
- 6. a dish of Italian origin consisting of a usually round, flat base of leavened wheat-based dough topped with tomatoes, cheese, and often various other ingredients, which is then baked at a high temperature, traditionally in a wood-fired oven.
- 9. when two tectonic plates move away from each other
- 10. rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle.
Down
- 1. a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries.
- 2. molten or semi-molten natural material from which all
- 3. the innermost geologic layer of planet Earth
- 4. lies above Earth's solid inner core and below its mantle
- 7. a thin shell on the outside of Earth, accounting for less than 1% of Earth's volume.
- 8. an area on Earth where two or more lithospheric plates collide