Across
- 5. The introduction into the environment of a substance which has a poisonous or harmfull effect.
- 7. A volcano that has not erupted for a long time but have a risk of erupting.
- 8. A powdery residue left after a burning of a residue.
Down
- 1. A volcano that has a empty magma chamber.
- 2. People can visit and enjoy the scenery at the place.
- 3. A type of raw material that can too be found in volcanic rocks and is yellow in colour.
- 4. A type of raw material that can be found in volcanic rocks and is the strongest substance on earth
- 6. A type of molten rock from the volcano
