What are good questions to ask about volcanoes?
Volcanoes: Top 10 Questions
- Why do volcanoes erupt?
- How many active volcanoes are there in the world?
- What makes lava rise?
- What are the signs of a volcano when it’s about to erupt?
- How far do volcanoes shoot lava?
- How hot is liquid magma?
- How many times can a volcano erupt?
What makes the sound of a volcano?
The roar created by an erupting volcano is the result of turbulence and friction created by hot gases accelerating upward through conduits and finally escaping through the volcanic vent at the surface.
What is a volcano question answer?
A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape. Volcanic eruptions are partly driven by pressure from dissolved gas, much as escaping gases force the cork out of a bottle of champagne.
What will you see hear and feel when volcanoes erupt?
An increase in the frequency and intensity of felt earthquakes. Noticeable steaming or fumarolic activity and new or enlarged areas of hot ground. Subtle swelling of the ground surface. Small changes in heat flow.
What do you talk about with volcanoes?
Frequently asked questions about volcanoes
- What is a volcano?
- Where are the most active volcanoes?
- Why are volcanoes called active even when there is no eruption?
- Has worldwide volcanic activity been increasing recently?
- How do you know when a volcano is not going to erupt anymore?
What sound does a volcano sound like?
Volcano World Loud explosions, bubbles bursting, rumbling, hissing, and roaring like a jet engine describe some of the sounds heard from volcanoes around the world. Stories of sounds from historical eruptions tell of loud booms and explosions from volcanoes heard thousands of kilometers away.
What do you smell when a volcano erupts?
The gases include water vapor, carbon dioxide, sulfur dioxide, and hydrogen sulfide. Hydrogen sulfide is responsible for the rotten egg smell in the area. The yellow deposits on the rocks are sulfur crystals derived from the sulfurous gases.
What is a volcano very short question?
A volcano is a vent or opening in the earth’s crust through which molten material erupts suddenly.
Can sound travel through lava?
While some lava lake sounds are audible, most of them are at frequencies below what humans can hear, called infrasound. … In fact, P-waves, the fastest type of seismic waves, are just sound waves traveling through the solid Earth. Active volcanoes produce abundant sounds at or near Earth’s surface.
Does a volcano make noise when erupting?
Loud explosions, bubbles bursting, rumbling, hissing, and roaring like a jet engine describe some of the sounds heard from volcanoes around the world. Stories of sounds from historical eruptions tell of loud booms and explosions from volcanoes heard thousands of kilometers away.