| A | B |
|---|
| antenna (n) | one of the 2 long, thin feelers on the head of many insects and some water animals such as lobsters |
| antenna (n) | a metal rod or wire used to send and receive radio and television messages |
| balance (n) | a state of being firm and steady |
| balance (v) | to stay in a steady position |
| balance (v) | to hold something in a steady position without letting it fall |
| boulder (n) | a large, rounded rock, resting on or in the ground |
| cliff (n) | a steep, high rock face with a sharp drop to the ground below |
| joint (n) | the place where 2 parts meet or come together |
| machine (n) | an object that is used to do certain kinds of work |
| motor (n) | an object that provides the power to make something move or do work |
| muscle (n) | a part of the body that can be stretched or tightened to make the body move |
| planet (n) | a large object in space that moves in a regular path around the sun or some other star |
| slope (n) | a surface, a line, or a piece of land that is higher at one point than at another |
| slope (v) | to lie at an angle |
