Across
- 1. The point within the Earth’s crust where an earthquake originates.
- 4. when two tectonic plates move away from each other.(week 12)
- 8. consisting of fragments of rock and ash that are erupted by a volcano
- 9. a shaking of part of the Earth's surface.
- 10. describing a volcano that has not erupted recently, but could possibly erupt again.
- 12. The release of gas, ash, molten materials, or hot water into the atmosphere or onto the Earth's surface from a volcano or other opening in the Earth's surface
Down
- 2. when a more dense oceanic crust dives down beneath less dense continental crust (week 12)
- 3. layer of rock that makes up the outer part of the Earth, including the crust and upper mantle. (week 12)
- 5. the area on Earth's surface directly over the point of seismic activity between two tectonic plates.
- 6. the size of an earthquake, measured on a scale of 1 to 10.
- 7. the process in which the hotter parts of a gas or liquid rise to the top and the cooler, denser parts sink.
- 11. Describing a volcano that is erupting, ready to erupt or has erupted recently.