how many times do volcanoes π erupt a year
On average, between 50 and 70 volcanoes erupt worldwide each year. At any given time, there are typically about 20 volcanoes actively erupting somewhere on earth.π
What is famous pop nickname? He is known as the King of Pop.
Michael Jackson he he
What is the super-hot, melted rock that erupts from a volcano called?
Lava
True or False: Earth has the biggest volcano in our entire solar system
False. The biggest volcano is Olympus Mons, and it is located on Mars! It is three times taller than Mount Everest.
What is the name of the volcano that destroyed the ancient city of Pompeii in 79 AD?
Mount Vesuvius.
Are volcanoes real?
Yes, volcanoes are very real. They are openings in the Earth's crust that allow molten rock (magma), gases, and ash to escape from beneath the surface. There are roughly 1,350 potentially active volcanoes worldwide, with around 30 erupting at any given time.
true or false Magma is melted rock under the ground.
false it becomes lava when it comes out on top of the ground.
The large, bowl-shaped hole at the very top of a volcano is called a ________.
Which famous Roman city was completely buried by the eruption of Mount Vesuvius in 79 AD?
Which planet has the largest known volcano in our solar system?
Mars. (It is called Olympus Mons!
how do volcanoes form
Volcanoes form when molten rock (magma) from Earth's mantle rises to the surface through cracks in the crust. This process is driven by the shifting of tectonic plates, which either collide, pull apart, or pass over superheated areas called hotspots, allowing pressure to release via eruptions.
true or false Some volcanoes gently ooze thick, hot, sticky rivers of lava instead of exploding.
False
The highest active volcano in Europe is located on the island of Sicily in Italy. What is its name? [1]
Which lightweight volcanic rock can actually float on waterA) Basalt
B) Pumice
C) Obsidian
Pumice (It is full of tiny gas bubbles that make it incredibly light)
What do you call a volcano that is no longer active?
Extinct.
Where does the lava go when a volcano erupts
When a volcano erupts, lava is pushed up from underground chambers and spills out of vents to flow across the surrounding landscape. It flows downhill, pooling in low areas or travelling toward the ocean, until it cools and solidifies into new πͺ¨ rock
What is the name of the huge circle of volcanoes that surrounds the Pacific Ocean?
Which country has the most active volcanoes in the world?
Indonesia. It has over 120 active volcanoes
What is the dark, shiny volcanic glass called that forms when lava cools down super fast?
Obsidian.
True or false Pumice is filled with tiny gas bubbles. This makes it so light that it floats on water!
False
The deadliest part of an eruption isn't always the lava. A pyroclastic flow is a super-hot, fast-moving mix of gas, ash, and rock that can race down a volcano at speeds up to
724 km per hour (450 mph
7. Which of these is NOT a real type of volcano?
A) Shield volcano
B) Cinder cone
C) Chocolate swirl
What is the name of the largest active volcano on Earth
Mauna Loa. Located in Hawaii, it covers half of the Big Island
What color is the unique lava that erupts from the Kawah Ijen volcano in Indonesia at night?
A) Electric blue
B) Bright green
C) Hot pink
A) Electric blue (This is caused by sulfuric gases burning when they hit the hot air).
True or false While scientists track many volcanoes, there are simply too many active ones on Earth.
False