| clean |
not dirty. |
| defend |
to protect from harm; guard. |
| dollar |
the main unit of money in the United States and many other countries. One U.S. dollar is equal to 100 cents. |
| earth |
the third planet from the sun. |
| electric |
using or having to do with electricity. |
| exact |
having no mistakes; correct. |
| explore |
to travel in order to discover or search for something. |
| joke |
a short story with a funny ending that is told to make people laugh. |
| library |
a place in a town or school where you can borrow books, recorded music, and other materials. |
| ore |
a rock or mineral from which a metal or other useful substance can be removed. |
| peak |
the highest part of a mountain, or the highest part of anything. |
| person |
a human being. |
| platform |
a raised, level surface used as a place to work, perform, or speak to an audience. |
| powder |
a mass of fine, loose grains that are made when a solid material has been ground or crushed. |
| radio |
a piece of equipment that receives signals that travel through the air and changes them into sound. |