| A | B |
| lines of latitude | east-west lines on a map, always the same distance apart, parallels |
| lines of longitude | north-south lines on a map that run from pole to pole, always the same distance apart, meridians |
| meridians | north-south lines on a map that run from pole to pole, always the same distance apart, lines of longitude |
| parallels | east-west lines on a map, always the same distance apart, lines of latitude |
| prime meridian | the meridian marked 0 degrees, runs through Greenwich, England |
| conclusion | a decision or idea reached by thoughtful study |
| expedition | a journey made for a special reason |
| isthmus | a narrow strip of land that connects two larger land areas (Panama) |
| scurvy | a sickness caused by not getting enough vitamin C |
| saga | an adventure story about the brave deeds of people long ago |
| knoll | a small, round hill |
| exploration | searching a new place to learn more about it |
| cartographer | a person who makes maps |
| monarch | a king or queen |
| compass | a device with a needle that always points north |
| navigation | the study or act of planning and controlling the course of a ship |