| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| balloon |
a small bag made of thin material that is filled with air or some other gas and used as a decoration or toy. |
| bar |
a long piece of solid material used to support something, hold something together, or keep something outside or inside. |
| board |
a flat, cut piece of wood. |
| castle |
a large, strong building built in the past and used as a defense against attacks. |
| frost |
a thin, light covering of ice. |
| harm |
hurt or injury. |
| idea |
any thought or picture formed in the mind. |
| soft |
easy to bend or shape; not firm or hard. |
| step |
each single movement of your foot as you walk. |
| stroke |
a single mark made in writing or painting, or the act of making such a mark. |
| sudden |
happening without notice or warning; not expected. |
| sum |
the number or amount that comes from adding two or more numbers. |
| terrific |
very good; fantastic. |
| web |
a thin, open structure made of threads that connect to each other at points. |