| adult |
having grown up. |
| brain |
the organ in the body that controls thought, movement, and feeling. The brain is inside the skull. |
| bubble |
a ball of air or other gas inside another substance. |
| cheer |
happy or good feelings. |
| fellow |
belonging to the same group, having the same job, or sharing the same interests. |
| front |
the most forward part or side of something. |
| lock |
a device used to prevent people from taking something or to keep something closed. |
| material |
anything used for building or making new things. Wood, metal, paint, and paper are examples of materials. |
| mend |
to repair or fix. |
| microphone |
a device that changes sound waves into electronic signals. Microphones are used to make sounds louder or to broadcast or record them. |
| mysterious |
not known and not able to be explained. |
| often |
at frequent times. |
| per |
for each. |
| pool |
any small still area of liquid that has collected on something. |
| pulse |
the regular beating of the arteries that is caused by the beating of the heart. The pulse can be felt in the wrist or neck. |