| A | B |
| current | a mass of liquid that is in motion |
| danger | the chance of harm or destruction |
| canyon | a deep valley with steep walls on both sides that was formed by water |
| plastic | any of a number of materials that are made from chemicals |
| bottom | the lowest part of something |
| hollow | having a space or opening inside |
| member | a person or thing belonging to a group or organization |
| borrow | to get from someone else with the understanding that it will be returned |
| organ | a musical instrument with one or more keyboards |
| compose | to make or create |
| lumber | timber sawed into boards and planks |
| seldom | not often; rarely |
| engine | a machine that uses energy to make something run or move |
| pillow | a case filled with soft material and used to cushion a person's head during rest or sleep |
| carpet | a heavy woven fabric used as a floor covering |
| garbage | food and trash to be thrown away |
| master | a person who has power or control over another |
| arrow | a straight, thin shaft that is shot from a bow |
| army | a large body of people organized and trained for warfare |
| thirty | a number, equal to 10 x 3 |