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Geog of SW
Chapter 12
| Question | Answer |
|---|---|
| Continental Divide | an imaginary line that runs north and south along the peaks of the Rocky Mountains |
| volcano | a mountain formed when erupted lava cools and hardens onto Earth's surface |
| crater | a bowl-shaped area |
| lava | melted rock |
| earthquake | a sudden shaking of the ground |
| fault | cracks in Earth's outer layer |
| timberline | an area of land beyond which is too cold for trees to grow |
| highest peak in the U.S. | Mount McKinley, aka "Denali" |
| lowest level in the U.S. | Death Valley, CA |
| highest peak in Wyoming | Grand Teton |
| small movements along faults cause what? | earthquakes |
| Resources found in the west | land, forest, minerals, fuels, water, fish |
| much of the land in the west is too high or dry for | farming |
| Some crops grown in the west | grains, vegetables, fruit |
| Major Rivers | Missouri, Colorado, Columbia |
| largest natural lake | Great Salt Lake |
| time zone | a region in which all of the people use the same clock time |
| barrier | something that blocks the way |
| wagon train | a group of wagons pulled by horses, oxen, or mules |
| boomtowns | towns that grew very quickly when miners moved into an area |
| telegraph | machine that uses electricity to send messages |
| transcontinental railroad | a railroad that improved transportation through many states |
| what made long distance travel possible | rivers |
| explorers famous for exploring the west | Lewis and Clark |
| forty-niners | gold seekers who arrived in 1849 |
| an opening between the Rocky Mountains where Wyoming, Utah, and Colorado meet | South Pass |
| The 49th and 50th state of the U.S. | Hawaii and Alaska |
| What brought settlers to the west | The South Pass and gold |
| public land | land that the government manages |
| hydroelectricity | electricity produced by water power |
| ecosystem | a community of living things and its environment |
| an explorer and recipient of the Presidential medal of freedom and other awards for conservation work | Margaret Murie |