#1. How much of the Earth’s Surface is of volcanic origin?
The Answer is D) 80%.
More than 80% of the Earth’s surface both above and below the sea level is of volcanic origin.
#2. Which Volcano caused the loudest sound in history?
The answer is B) Kratkatoa
In 1883, Kratkatoa located in the Sunda Strait and was considered the loudest sound ever reported at 180 dB.
#3. How hot is lava from a volcano?
The answer is C) 2,282 degrees F (1,250 degrees C)
Lava is molten rock emerging as a liquid onto the Earth’s surface and is so hot that it can burn anything in its path, making it extremely destructive.
#4. Where does the name “volcano” come from?
The answer is B) Roman Mythology.
The name “volcano” comes from the name of Vulcan, a god of fire in Roman Mythology.
#5. Volcanoes that most likely will never erupt are called______.
The answer is B) Extinct
An Extinct Volcano is not expected to erupt again. It is a volcano that has not erupted for at least 10,000 years.
#6. What is Magma?
The Answer is A) Liquid Rock inside the Earth
Magma is an extremely hot liquid rock under the Earth’s surface that pushes through the holes or cracks in the Earth’s crust causing a volcanic eruption.
#7. What is the biggest volcano on Earth?
The answer is A) Mauna Loa, Hawaii
Mauna Loa is the biggest volcano on the earth located in Hawaii. Standing a whopping 4,169 m, this geological giant last erupted in 1984.
#8. What is the most dangerous volcano in the world?
The answer is B) Mount Vesuvius, Italy
According to experts, Mount Vesuvius in Italy is the most dangerous volcano in the world. It has erupted for 17,000 years and buried the city of Pompeii in Italy.
#9. How many people live in a danger range of an active volcano?
The answer is letter D) 350 million
About 350 million people live in a dangerous range of an active volcano. If the volcano erupts, they would be in the path of its destruction.
#10. On Earth, 90 % percent of volcanoes are located here, ______
The answer is B) In the Pacific Ocean
Most of the volcanoes are located along a belt, called the “Ring of Fire” in the Pacific Ocean.
#11. The largest volcano in our solar system is on which planet?
The answer is B) Mars
Volcanoes are not just found on Earth but in our solar system too. The biggest volcano in the Solar System is Olympus Mons on Mars. It is 3x higher than the tallest mountain on Earth, Mount Everest.