| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| cousin |
the son or daughter of an aunt or uncle. |
| diner |
one who eats a meal. |
| 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. |
| frighten |
to cause fear in someone; to make someone afraid. |
| greet |
to use words or simple actions that show pleasure or respect when you meet someone or start a letter. |
| natural |
of or produced by nature. |
| never |
not at any time; not at all. |
| numb |
not able to feel; having no feeling. |
| nurse |
a person whose job is to care for sick and injured people. |
| scarce |
not being enough; not easy to get. |
| shadow |
the dark image on a surface caused by something that blocks light from the sun. |
| thunder |
the loud noise you sometimes hear during a violent rain storm. |
| today |
the day that is right now. |
| wheelchair |
a chair on wheels that is used by people who cannot walk from place to place. |