Across
- 2. Crack in the Earth's crust where rocks move and cause an earthquake.
- 4. Molten rock that comes out of a volcano onto the Earth's surface.
- 7. Rock that has melted due to the high temperature inside the Earth.
- 8. A huge rotating storms with high-speed winds.
- 9. The scale used to measure the magnitude of an earthquake.
- 10. The instrument used to predict volcanic eruptions based on seismic waves.
Down
- 1. A mountain with an opening where magma and gases from beneath Earth escape.
- 3. A series of giant waves of water that come in from the ocean.
- 5. The earthquakes that happen soon after the first one.
- 6. The layer of the Earth beneath the crust where tectonic plates move.