| altitude |
the height of a thing above earth or above sea level. |
| contractor |
a person who signs an agreement to carry out a particular job at a certain price and also to supply necessary things for the job. A contractor often hires, supervises, and pays other people to help or to do the work. A person in charge of building or repairing a house is often a contractor. |
| echo |
the repeating of a sound caused by the bouncing of sound waves from a surface. |
| exploration |
the act of investigating or examining. |
| flatter |
to give too much or false praise; try to please by praising. |
| meadow |
an open field of grass that is growing wild or is used for pasture or to grow hay. A meadow usually contains wildflowers and weeds as well. |
| motivate |
to cause to move or act by giving incentive or inspiration. |
| mount1 |
to climb. |
| personality |
all of the qualities of a person that make that person different from others. |
| proper |
correct for a certain purpose. |
| remote |
at a far distance in space or time. |
| sharp |
having a thin edge or a fine point. |
| source |
the start or cause of something. |
| vaccine |
a substance used to protect people and animals from very serious diseases. Vaccines contain germs of a particular disease--these germs been killed or changed in a certain way in a laboratory to make them safe. A vaccine goes into a person's body in a shot that is given by a doctor or nurse. After a vaccine is put into a person's body, that person will not get that disease or will get only a mild case. |
| volume |
a collection of pages of writing or print bound together; book. |