| A | B |
|---|
| discover | 1 |
| spy | Someone who watches other people or things closely to get information about them. |
| curious | Wanting to learn about something very much. |
| notice | 2 |
| hollow | Having an empty space or hole inside. |
| openings | 3 |
| smooth | Something that feels even and has no rough spots. |
| enemy | A person or an animal that wants to hurt another. |
| outgrow | 4 |
| tide-pools | 5 |
| tracks | Footprints that animals leave behind. |
| dune | A hill of sand made by the wind. |
| twilight | The time just after the sun goes down, when there is still a little light in the sky. |
