| box1 |
a container made of stiff material that usually has four sides, a bottom, and a lid. |
| cliff |
a high, steep surface of rock. |
| collect |
to gather together. |
| continue |
to keep happening or being; to last for a long time. |
| energy |
the ability to have force or power or to do work. There are many kinds of energy such as physical, electrical, nuclear, or chemical. |
| helicopter |
a type of aircraft that is held in the air and moved along by spinning blades attached to its top side. |
| hurt |
to cause pain or harm to. |
| icicle |
a long, thin piece of ice that hangs from something. |
| inner |
located inside. |
| insect |
a small animal whose body is divided into three parts. Insects also have three pairs of legs and usually one or two pairs of wings. Bees, ants, butterflies, beetles, and flies are some kinds of insects. |
| painful |
causing discomfort in the body, as from an injury or illness. |
| rope |
pieces of string, wire, or similar material twisted together to make a thicker, stronger line. |
| skirt |
a piece of clothing that hangs from the waist and is open all around the bottom. |
| traveler |
someone who goes from one place to another, especially over a long distance. |
| underground |
located, living, or taking place beneath the earth's surface. |