Erupt-a-Word (Java Style)

You will need a Java enabled browser to play this game

How to play:

  1. The current word you are working on is highlighted in yellow.
  2. The current letter is highlighted in cyan.
  3. Click on any letter to move to that word.
  4. <spacebar> switches between across and down. It pivots around the current letter.
  5. <back space> erases the current letter.
  6. Incorrect letters are drawn in red.


2. Broad, gently-sloping volcano
4. "Sleeping"
9. Bubble-rich natural glass
10. Fine-grained pyroclastic material
11. Volcanic cone made up of loose fragments
12. Magma which has reached the surface
13. Natural passageway in a lava flow
15. Glassy lava rich in silica
18. Crack where the Earth's surface has moved
19. Depression at/near the top of a volcano
22. Lava movement
23. Indonesian term for volcanic mudflow
24. Dense, black, glassy, volcanic rock
25. Incline
26. Ejection of solid, liquid, and gaseous materials


1. Type of volcano made of both lava and pyroclastic material
2. Another term for a composite volcano
3. Vent issuing steam or other gases
4. Thick, pasty lava with medium silica content
5. Molten rock beneath earth's surface
6. Cracks on slopes of volcano
7. Volcanic material that comes out in fragments
8. Instrument that records earthquakes
14. Large fragments of molten rock that are fluid when erupted
16. Lava poor in silica, rich in magnesium and iron
17. Mountain built by eruptions
20. Large blob of viscous lava
21. Volcanology is "___"

Refer to: Glossary of Volcanic and Geologic Terms. Erupt-A-Word Key

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