| A | B |
|---|
| economy | any system in which people make and exchange goods or services |
| hemisphere | the dividing of the earth (or a globe) into two halves |
| interaction | how two things respond to one another |
| location | the theme that describes where something is located on the earth |
| longitude | the measure in degrees east or west of the Prime Meridian |
| map legend | a key which explains what symbols represent on a map |
| movement | looks at how people, ideas, or goods travel from one place to another |
| place | features that make a particular site unique |
| region | an area that shares common characteristics or environmental features |
| tsunami | a destructive and fast moving wave, caused by an underwater earthquake |
