| A | B |
|---|
| archipelago | group of Islands |
| Hawii and Thousand Islands | examples of archipelago |
| canal | man-made waterway |
| Erie Canal | example of a man-made waterway |
| contients | large land mass on the earth |
| North America, South America, Africa, Asia, Europe, Australia, Antaritca | name of the 7 continents |
| glacier | large mass of ice and snow that moves over land |
| Alaska | example of a glacier |
| isthmus | narrow neck of land that connets to larger areas of land |
| Panama | example of isthmus |
| oceans | large body of salt water |
| Atlantic, Artic, Indian, Pacific Oceans | name the 4 oceans |
| peninsula | land bordered by water on 3 sides |
| Florida | example of peninsula |
| plain | area of low, flat land |
| Great Plains | example of plain |
| plateau | area of high, flat land |
| Allegheny Plateau | example of plateau |
| river mouth | where a river flows into a larger body of water |
| river source | beginning of a river (smallest body of water) |
| strait | narrow body of water that connects 2 larger bodies of water |
| Bering Strait | example of a strait |
| valley | low land between mountains - usually formed by water |
| St. Lawrence Valley | example of a valley |
| equator | imaginary line that divides the earth |
| latitude | imaginary horizontal lines running north and south of the equator |
| prime meridian | imaginary verticle line dividing the earth into eastern and western hemisphere |
| longitude | imaginary verticle lines running east and west of the prime meridian |
| rotation | earth spinning on its axis |
| 24 hour is one complete rotation | causing day and night |
| revolution | earth orbiting aroung the sun one complete revolution takes 365 1/4 days |
| seasons | revolution causes changes in |
| water coverage | approximately 3/4 of earth is covered in this |
| Washington, DC | Capital of US |
| New York City, Los Angelas, Chicago | 3 largests cities in US |
| Western Mountains, Great Plains, and Eastern Mountains and Coastal Plains | Three major divisions of US |
| Rocky Mountains | Largest mountain range |
| Mount Kinley | Highest peak |
| Lake Huron, Ontario, Michigan, Erie, Superior | 5 great lakes (HOMES) |
| Mississippi River | longest river |
| tributary | river that flowes into antoher river |
| Missouri River | example of longest tributary |
