Worksheetsmodule 2 volcanic eruption
Total questions: 20
Worksheet time: 10mins
the molten rock inside a volcano
magma
lava
lavafow
ash
the molten rock outside
magma
lava
lavafow
ash
it is where the magma is collected from the core
magma
lava
lavafow
magma chamber
the last eruption date of Mt Taal
january 13 2020
june 12 2020
january 12 2020
january 22 2020
which of the following has hgh silica content?
basaltic
andesitic
rhyolitic
mafic
which of the following has low silica content?
basaltic
andesitic
rhyolitic
mafic
which of the following has intermediate silica content?
basaltic
andesitic
rhyolitic
mafic
which has high gas content?
basaltic
andesitic
rhyolitic
mafic
which has low gas content?
basaltic
andesitic
rhyolitic
mafic
which has medium gas content?
basaltic
andesitic
rhyolitic
mafic
which has medium viscocity?
basaltic
andesitic
rhyolitic
mafic
which has high viscocity?
basaltic
andesitic
rhyolitic
mafic
which has low viscocity?
basaltic
andesitic
rhyolitic
mafic
what is the relationship between viscocity and temperature of a magma?
the higher the temp, the lower the viscosity
the higher the temp, the higher the viscosity
the higher the temp, the same the viscosity
all of the above
the crystal content of a magma described as?
it has always low in temp
it has higher in temp
nothing has change
all of the above
the first step in volcanic eruption is?
bubble formation
building up of magma
vesiculation
decompression
the second step in volcanic eruption is?
bubble formation
building up of magma
vesiculation
decompression of gases
the third step in volcanic eruption is?
bubble formation
building up of magma
vesiculation
decompression of gases
the fourth step in volcanic eruption is?
bubble formation
eruption
vesiculation
decompression of gases
which is true about volcanoes?
volcanoes cannot form mountains
volcanoes cannot be destructive
volcanoes adds beauty to the surroundings
volcanoes cannot form springs
