1.
What river is the Hoover Dam on?
Correct Answer
A. Colorado
Explanation
The Hoover Dam is located on the Colorado River. It was constructed between 1931 and 1936 and is situated on the border between the states of Nevada and Arizona. The dam was built to provide hydroelectric power, control flooding, and supply water to the surrounding areas. The Colorado River is one of the major rivers in the southwestern United States and flows through multiple states, including Colorado, Wyoming, Utah, Nevada, Arizona, California, and Mexico.
2.
Is this statement true or false, the Hoover Dam was build in 1935?
Correct Answer
A. True
Explanation
The statement is true. The Hoover Dam was indeed built in 1935. The construction of the dam began in 1931 and was completed in 1935. It is located on the border between the states of Nevada and Arizona in the United States. The Hoover Dam is a significant engineering marvel and a major source of hydroelectric power, providing electricity to millions of people in the region.
3.
Fill in the gap:
In 2010 Lake Mead was only_____ full and global warming could reduce it further.
Correct Answer
40%
40
Explanation
In 2010, Lake Mead was only 40% full, indicating that it was significantly below its maximum capacity. The statement suggests that global warming could potentially worsen the situation by further reducing the water level in the lake. This implies that the lake's water resources are already under pressure, and climate change could exacerbate the issue, leading to even lower water levels in the future.
4.
Tick which of the statements below are correct:
Correct Answer(s)
A. The dam creates 2 million kw of energy
B. It took 6 million pounds of concrete to build the dam
D. The dam is 221 metres tall
Explanation
The given answer is correct. It states that the dam creates 2 million kw of energy, which indicates the power output of the dam. It also mentions that it took 6 million pounds of concrete to build the dam, which highlights the amount of material used in its construction. Lastly, it states that the dam is 221 meters tall, indicating its height.
5.
How tall is the dam?
Correct Answer
C. 221
Explanation
The given answer, 221, represents the height of the dam. This suggests that the dam is 221 units tall.
6.
What border is the Hoover Dam on?
Correct Answer
Nevada/Arizona border
Explanation
The Hoover Dam is located on the Nevada/Arizona border. This means that the dam is situated in both Nevada and Arizona, with the border running through it. It is a popular tourist attraction and an engineering marvel, providing hydroelectric power and water storage for the surrounding areas.
7.
The reservoir supplies water for 8 million people in Nevada, California and Arizona
Correct Answer
A. True
Explanation
The statement is true because it states that the reservoir supplies water for 8 million people in Nevada, California, and Arizona. This implies that the reservoir plays a vital role in providing water to a large population in these three states.
8.
Which major city is near the Hoover Dam?
Correct Answer
A. Las Vegas
Explanation
Las Vegas is the correct answer because it is the major city that is closest to the Hoover Dam. Located in Nevada, Las Vegas is approximately 30 miles southeast of the dam. This proximity makes it a popular tourist destination for visitors who want to explore both the city and the iconic engineering marvel of the Hoover Dam.