1.
In which National Park of the United States is Grand Prismatic Spring located?
Correct Answer
B. Yellowstone National Park
Explanation
The correct answer is Yellowstone National Park. Grand Prismatic Spring is located in Yellowstone National Park, which is known for its geothermal features including hot springs, geysers, and mud pots. Grand Prismatic Spring is the largest hot spring in the United States and is famous for its vibrant colors caused by different types of bacteria that thrive in the hot water. It is a popular tourist attraction in Yellowstone National Park.
2.
What is the depth of Grand Prismatic Spring?
Correct Answer
C. Around 120 m
Explanation
The depth of Grand Prismatic Spring is around 120 m. This is the correct answer because the question asks for the depth of the spring, and out of the given options, "Around 120 m" is the closest to the actual depth.
3.
What is the diameter of the Grand Prismatic Spring?
Correct Answer
D. 200-330 feet
Explanation
The diameter of the Grand Prismatic Spring is 200-330 feet.
4.
Which of the following band colors can be seen in Grand Prismatic Spring?
Correct Answer
D. All of the above
Explanation
The Grand Prismatic Spring is known for its vibrant colors, which are caused by different species of thermophilic bacteria that thrive in the hot water. These bacteria create colorful mats or bands around the edges of the spring. The bands can range from orange to yellow to green, hence all of the given options - orange, yellow, and green - can be seen in the Grand Prismatic Spring.
5.
How does the water of the spring get its color?
Correct Answer
B. Due to different species of thermopHile bacteria
Explanation
The water of the spring gets its color due to different species of thermophile bacteria. Thermophile bacteria are known to thrive in high-temperature environments, and some of these bacteria produce pigments that give the water its distinct color. These pigments can range from red and orange to green and blue, depending on the specific species of bacteria present. As the bacteria grow and reproduce, they release these pigments into the water, resulting in the colorful appearance of the spring.
6.
Grand Prismatic Spring is the biggest hot spring in the recreation center.
Correct Answer
A. True
Explanation
The explanation for the given correct answer is that Grand Prismatic Spring is indeed the biggest hot spring in the recreation center. This implies that there are other hot springs in the recreation center, but none of them are bigger in size than the Grand Prismatic Spring.
7.
Swimming is allowed in the Grand Prismatic Spring.
Correct Answer
B. False
Explanation
Swimming is not allowed in the Grand Prismatic Spring. This is because the Grand Prismatic Spring is a hot spring located in Yellowstone National Park, and the water in hot springs can reach extremely high temperatures. These high temperatures can be dangerous and can cause severe burns or even death. Therefore, swimming is prohibited in order to ensure the safety of visitors.
8.
How hot is the water in Grand Prismatic Spring?
Correct Answer
D. Around 160ºF
Explanation
The correct answer is "Around 160°F." The Grand Prismatic Spring is one of the largest hot springs in the world, located in Yellowstone National Park. The water in the spring is known to reach temperatures of around 160°F.
9.
Why does Grand Prismatic Spring have a sulfur smell?
Correct Answer
C. Both A & B
Explanation
Grand Prismatic Spring has a sulfur smell because it is caused by both sulfuric acid and hydrogen sulfide gas. Sulfuric acid is formed when sulfur dioxide combines with water vapor in the atmosphere, and hydrogen sulfide gas is produced by sulfur bacteria in the spring. The combination of these two substances creates the distinct sulfur smell associated with the Grand Prismatic Spring.
10.
Pets are allowed on the boardwalk of Grand Prismatic Spring.
Correct Answer
B. False
Explanation
Pets are not allowed on the boardwalk of Grand Prismatic Spring.