Across
- 2. Molten rock that flows from a volcano.
- 4. An instrument that detects the presence of an earthquake.
- 7. Opening in the Earth's surface where molten erupts.
- 8. A group of twelve things.
Down
- 1. Molten rock deep within the Earth.
- 3. A long tailed, medium sized animal belonging to the primates.
- 5. The violent ejection of lava from a volcano.
- 6. Covering for the hands.