Across
- 2. Something with a low temperature
- 3. A small ball of air in liquid
- 7. Something that is hard to lift
- 8. Something with a high temperature
- 10. A very tall hill of rock and earth
- 11. Hot melted rock that comes out of a volcano
Down
- 1. To burst or break open very fast
- 4. Something that is easy to lift
- 5. A mountain that can explode with lava
- 6. Very hot melted rock under the ground
- 9. A slippery liquid that does not mix with water