WorksheetsEffects of volcano eruption
Total questions: 7
Worksheet time: 4mins
Why does the volcanic eruption happen ?
When the pressure on magma chamber inside earth increase and push magma to the surface.
When it formes by eruption lava and ash.
when rock underground suddenly breaks along a fault.
Volcanoes create new land on the Earth’s surface when –
lava flows then cools and hardens to form rock.
an eruption destroys the side of a mountain.
magma forms giant underground chambers.
saltwater touches lava and changes into steam.
Volcanoes only exist in land.
True
False
Volcanoes can cause...
Global cooling
earthquakes
release of poisonous gases
all of the above
Dust and ash from a volcanic eruption can be carried...
Dozens of miles
Hundreds of miles
Thousands of miles
All of the above
A large lava flow can be stopped or redirected by people.
True
False
About 75 percent of the world’s volcanoes are found
around the Atlantic Ocean basin
around the Pacific Ocean basin
throughout the American Northwest
along the mid-Atlantic ridge
