| A | B |
|---|
| glacier | huge sheets of ice that cover land |
| gorge | a deep, narrow valley |
| hydropower | power produced by capturing the energy of flowing water |
| hydroelectricity | electricity produced by flowing water |
| lighthouse | a tall tower with a very strong light used to guide ships |
| peninsula | a piece of land almost surrounded by water |
| Niagara Falls | Great waterfall on the Niagara River on the boundary between the United States and Canada; a city on the western part of New York State |
| Appalachian Mountain Range | Oldest range of mountains in the United States, extending from eastern Canada to Alabama |
| Green Mountains | Smaller part of the Appalachian Mountain Range that runs north and south through Vermont into Massachusetts and Connecticut |
| White Mountains | Small part of the Appalachian Mountain Range that extends from the western part of Maine through New Hampshire |
| Catskill Mountains | Smaller part of the Appalachian Mountain Range, located in eastern New York State |
| Acadia National Park | Area in eastern Maine famous for its cliffs and rocky coastline |
