| cause |
something that makes a thing happen. |
| coast |
the land next to the ocean. |
| doubt |
to not be certain or confident about something; to think that something might not be true. |
| enter |
to come or go in. |
| fin |
a thin, flat body part of a fish and certain other water animals which is used for swimming or balance. |
| matter |
all substances of the universe that can be seen, touched, or measured. |
| official |
a person who holds an office in a business or government. |
| pin |
a thin piece of metal with a sharp point and flat or round head. Pins are used to fasten or attach pieces of cloth or similar material. |
| secret |
not seen or known by others; private. |
| sing |
to make music with the voice. |
| small |
little in size, number, or amount. |
| start |
to begin activity or operation. |
| system |
a group of things or parts that work together as a whole. |
| thunder |
the loud noise you sometimes hear during a violent rain storm. |
| trailer |
a wagon pulled by a car or truck and used to carry a load. |