| A | B |
| Aquatic | Relating to growing or living in or on water |
| Archipelago | Group of many small islands |
| Brink | The edge on top of a steep place |
| Chasm | Deep opening or gap in the earth |
| Crevice | Narrow opening; a fissure |
| Dormant | In a state of rest; not in motion |
| Ebb | The flow of the tide away from shore; falling of the tide |
| Emerge | To appear or rise into view |
| Fissure | Long, deep, narrow split or crack |
| Glaze | A thin, slippery coating of ice |
| Molten | Liquefied by heat |
| Organic | Related to living organisms containing carbon compounds |
| Panorama | Wide, uninterrupted view of an entire area |
| Populate | To live in or occupy |
| Porous | Full of small holes through which liquids and gases can pass |
| Protrude | To jut out |
| Proximity | Nearness |
| Smolder | To burn, and sometimes smoke, without flames |
| Terrestrial | Concerned with the earth |
| Tributary | Stream or river that flows into a larger body of water |