| accident |
reasons or causes that are not planned by anyone. |
| actor |
a person who performs in a play, a movie, or a radio or television program. |
| addition |
the process of finding the total of two or more numbers. |
| adult |
having grown up. |
| elevator |
a device that carries people or things from one floor to another in a building. An elevator is like a small room or platform that moves up and down. |
| harness |
a set of straps by which a work animal is attached to a cart, carriage, or plow. The harness is used to control and guide the animal. |
| jet |
an airplane with engines that give off a flow of heated gases to cause forward movement. |
| knee |
the joint between the upper and lower part of the leg. |
| load |
to put things on or in something in order to carry them. |
| mass |
a large amount or number. |
| mirror |
a smooth surface that shows an image of whatever is in front of it. |
| ore |
a rock or mineral from which a metal or other useful substance can be removed. |
| planet |
a large object in outer space that moves around the sun or another star. |
| rider |
a person who is carried by a vehicle or animal. |
| skin |
the thin outer covering of the body. |