Across
- 3. Built almost entirely by fluid lava flows, typically has a gentle slope, generally erupts slowly over a long period of time.
- 5. Type of Volcano that makes up some of Earth’s grandest mountains, typically have steep sides and symmetrical cones, most have a crater and vent at the summit, made up of alternating layers of lava and ash.
- 7. Dome, Formed by small, bulbous masses of lava too thick to flow a great distance, lava piles around the vent, some domes form craggy knobs or spines over the volcanic vent.
- 8. Plate Boundaries, Two plates converge / move together
- 9. Plate Boundaries, Two plates diverge / move apart
- 10. Spots, Magma comes up from partial melting i the upper mantle. The molten rock pushes up to one spot in the surface.
- 11. Molten rock
Down
- 1. Zone, Two plates meet, one subducts / is pushed down below the other
- 2. Cone, Simplest type of volcano rarely rises above 1000 feet, typically has a bowl-shaped crater at the top, found in western North America.
- 4. Vents / openings into the hot interior of earth
- 6. also known as a composite volcano
- 12. Ocean Ridges, Formed on oceanic plates & are like under water mountains
