| pandemonium | chaos |
| benevolence | kindness |
| barter | to trade |
| culture | way of life of a group |
| whimsical | impulsive |
| lagoon | pool of water surrounded by reefs |
| tributary | small stream |
| delta | mouth of a river |
| longitude | east-west direction on the globe |
| equator | north-south line around the middle of the Earth |
| topographic | map that shows the relief of the land |
| contour lines | lines that connect points of equal elevation |
| epicenter | point directly above an earthquake |
| harbor | seaport |
| plains | flat land |