| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| boom1 |
a deep, hollow sound, as from an explosion. |
| break |
to make something come apart into pieces. |
| cramp1 |
a sharp pain in a muscle that suddenly becomes tight. |
| crust |
any hard or crisp outer layer. |
| dawn |
the first light of day that appears in the morning. |
| jog |
to run at a slow rate for exercise. |
| lump |
a small mass or pile with no special shape; hunk. |
| pin |
a thin piece of metal with a sharp point and flat or round head. Pins are used to fasten or attach pieces of cloth or similar material. |
| reader |
a person who looks at and understands words on a page or screen. |
| roof |
the surface or covering on the top of a building. |
| sad |
not happy. |
| shallow |
not deep. |
| stable1 |
firm or steady; not likely to move. |
| wilderness |
a region in its natural state where there are things like trees and wild animals, but no people living there. |