Formation of Caves

1. The lava on the surface may ____ while the lava beneath flows away, leaving a cave.
3. The water then carves out caves _______ the surface of the ice.
5. Caves also form in different rocks such as gypsum, marble, and _________.
9. Caves also form when lava flows from _________.
12. _____ _____ will sometimes form sea caves along the coasts.
13. Caves may also form due to ___________.
14. Earthquake can cause large ______.

1. As water flows through cracks in limestone this starts to form a ____.
2. Overtime the cracks become big enough for ______ to go inside.
4. The force of the waves remove soft rock and forms ______ spaces.
6. The _________ dissolves and the cracks get bigger.
7. Huge areas of ice that move.
8. Caves can also ____ in glaciers.
10. Melted rock
11. As water melts on the glacier’s surface, it flows into cracks in the ___.