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Physical Features of the United States
Transcript of Physical Features of the United States
Physical & Human-made Features of the United States
An area of land where there is little rain, making it difficult for plants and animals to survive.
Animals found in the desert
Peninsula is an area of land that is nearly surrounded by water. Peninsulas are usually long, narrow strips, but they also may span vast areas. Some peninsulas are joined to the mainland by a broad base.
Source: Lewis, Anthony J. "Peninsula." World Book Student. World Book, 2015. Web. 13 July 2015.
Winsboro, Irvin D. S., and Peter O. Muller. "Florida." World Book Student. World Book, 2015. Web. 13 July 2015.
A volcano is a place where ash, gases, and molten rock from deep underground erupt onto the surface. The word volcano also refers to the mountain of erupted rock and ash that often accumulates at such a place.
Source: Rowland, Scott K. "Volcano." World Book Student. World Book, 2015. Web. 13 July 2015.
Source: "Hawaii Volcanoes National Park." World Book Student. World Book, 2015. Web. 13 July 2015.
Niagara Falls is one of the most spectacular natural wonders of North America. Niagara Falls is on the Niagara River, about halfway between Lake Erie and Lake Ontario. The river forms part of the United States-Canadian border.
At the falls, the Niagara River plunges into a steep, canyonlike gorge. The gorge extends beyond Niagara Falls for about 7 miles (11 kilometers), to Lewiston, New York. The famous Whirlpool Rapids begin about 3 miles (5 kilometers) below the falls. Here, the violent current has carved a round basin out of the rocks
Follow this link to a short clip about the falls!
Source: Burnett, Adam W. "Niagara Falls." World Book Student. World Book, 2015. Web. 13 July 2015.
A geyser is a spring that throws up hot water with explosive force from time to time. Often, the water shoots up in great columns, cloudy with steam.
"Old Faithful" in Yellowstone National Park is probably the world's most famous geyser. In most years, it erupts, on average, about every 90 minutes. The actual intervals between eruptions vary from about 51 to 120 minutes. Most eruptions are 120 to 150 feet (37 to 46 meters) high. "Old Faithful" has not missed an eruption in over 80 years.
Crawford, Nicholas C. "Geyser." World Book Student. World Book, 2015. Web. 14 July 2015.
Check World Book Online for videos of geysers!
The Golden Gate Bridge
Golden Gate Bridge is one of the largest and most spectacular suspension bridges in the world. It spans the Golden Gate, a strait at the entrance of San Francisco Bay. The bridge, which has a total length of 8,981 feet (2,737 meters), connects northern California to the peninsula of San Francisco. It contains about 88,000 tons (75,000 metric tons) of steel, 390,000 cubic yards (300,000 cubic meters) of concrete, and 160,000 miles (260,000 kilometers) of wire in its two main cables.
Videon, Fred F. "Golden Gate Bridge." World Book Student. World Book, 2015. Web. 14 July 2015.
The Statue of Liberty
Statue of Liberty is a majestic copper sculpture that towers above Liberty Island at the entrance to New York Harbor in Upper New York Bay. This famous figure of a robed woman holding a torch is one of the largest statues ever built. The statue's complete name is Liberty Enlightening the World.
The people of France gave the Statue of Liberty to the people of the United States in 1884. This gift was an expression of friendship and of the ideal of liberty shared by both peoples. French citizens donated the money to build the statue, and people in the United States raised the funds to construct the foundation and the pedestal (base). The French sculptor Frederic Auguste Bartholdi designed the statue and chose its site.
Heilbrun, Margaret. "Statue of Liberty." World Book Student. World Book, 2015. Web. 14 July 2015.
Gateway Arch, in St. Louis, Missouri, is the tallest monument in the United States. The arch, wrapped in stainless steel, rises 630 feet (192 meters) above downtown St. Louis, on the Mississippi River. The popular tourist attraction was built to commemorate the nation's westward expansion during the 1800's. Visitors may take trams up either leg of the arch to an observation room at the top. The arch is part of the Jefferson National Expansion Memorial, which also includes an underground visitor center, theater, and museum.
"Gateway Arch." World Book Student. World Book, 2015. Web. 14 July 2015.
Hoover Dam is one of the highest concrete dams in the world. It stands in the Black Canyon of the Colorado River. Hoover Dam is 726 feet (221 meters) high and 1,244 feet (379 meters) long. Elevators descend the equivalent of 44 stories into the dam. But they still do not reach its base. The concrete base is 660 feet (200 meters) thick. It contains enough concrete to pave a two-lane highway from New York City to San Francisco.
Cushing, Katherine Kao. "Hoover Dam." World Book Student. World Book, 2015. Web. 14 July 2015.