| A | B |
| Analyze | To break down into separate parts in order to study. |
| Apprehensive | Worried or uneasy about what might happen. |
| Coincide | To be in the same place or occur at the same time. To be exactly the same; to agree. |
| Compose | To be exactly the same; to agree. To create or write, as a poem or a song. To quiet or calm. |
| Disk | Any thin, circular object. |
| Envelop | To hide or cover on all sides. |
| Exist | To be real. To be found; to occur. To stay alive. |
| Extraordinary | Very unusual; remarkable. |
| Fuse | To join together by or as if by melting. |
| Mere | Nothing more than; only. |
| Revolve | To go around something in a circle; to turn around in a circle. |
| Scale | Any of the hard, thin plates that cover fish and certain reptiles. |
| Solar | Of or having to do with the sun. |
| Trace | A very small amount. A mark or sign left behind by someone or something. To follow the trail or tracks of; to locate. To copy by following the lines of a drawing through thin paper. |
| Velocity | Rate of movement; speed. |