NEW
Font size
WorksheetsVolcano
Total questions: 10
Worksheet time: 10mins
What provides the force that causes magma to erupt to the surface?
the silica in the magma
dissolved gases trapped in the magma
gravity in the lithosphere
the density of the magma
Effusive volcanos generally have ....
thick lava flows
giant pyroclastic explosions
runny lava flows
Very explosive volcanoes tend to have ....
Fluid magma
Gases rich in sulfur dioxide
gentle, sloping sides
Thick magma
TRUE or FALSE: A volcano that erupts quietly will produce a lot of cinders, ash, and bombs/rocks.
TRUE
FALSE
Volcanoes which have stopped erupting or has no record of eruption in history.
active
dormant
extinct
Volcanoes which have not erupted for a very long time but cloud still erupt anytime in the future.
active
dormant
extinct
One of the volcanoes in the Philippines is the Mt. Pinatubo. Its eruption has several effects not only in the Philippines but also in the world. Which of the following is NOT a good effect of this eruption?
The eruption emitted huge amount of gas such as sulfur dioxide.
The pyroclastic materials nourish the nearby land area.
Hot springs were produced around the area.
Which of the following statements listed below is a negative aspect of volcanic eruption?
The dramatic scenery of volcanic eruption attacts tourists.
lava flows and lahars clear areas of woodland, agriculture and destroy settlements
The lava and ash deposited during a volcanic eruption breaks down to provide valuable nutrients for the soil
all of the above
The person who studies the process involved in the formation and eruptive activity of volcanoes is known as
Volcanology
Volcanologist
Campanologist
Anthologist
