Read the statement and guess the correct answer. ''Magma flows up a passage called the vent''.
C
How many dormant volcanoes are there in the world.
There are about 1400 dormant volcanoes in the world. (But nearly 1300 are active volcanoes) it is difficult to tell whether a volcano is dormant or extinct.
Read the statement and guess the correct answer. '' Around the top of the vent is a hollow called the crater of the volcano''.
B
When an undersea volcano erupts, what does it form?
It forms a new island.
Where the Earth's crust is thin or weak, magma collects in large pools. If it finds a weak spot it bursts through the surface, forming a _____________.
volcano
Where is the highest active volcano located?
Chile-Argentina-South America
What is it formed when the lava, dust and ashes come out from the volcano?
hill or mountain
Read the statement and guess the correct answer. ''Lava, smoke, dust, ashes, gases and volcanic bombs".
A
Volcanoes that have not erupted for a long time are called sleeping ,or _________________.
dormant volcanoes
What comes out when the volcano erupts?
molten rock, smoke, dust, ashes and gases
Where can we find the most active volcanoes in the world?
Hawaii
Where are most volcanoes located? on land or under the sea.
under the sea
What is "magma"?
hot runny rock or molten rock
What is it called when magma comes out of a volcano?
lava
If a volcano hasn't erupted for at least 10000 years it is called ____________________.
an extinct volcano.
Read the statement and guess the correct answer. ''Magma collects in a large pool below the surface".
D
What is the world's highest active volcano?
Ojos del Salado
How does a volcano begin?
A volcano begins as a hole or crack in the Earth's crust.
How many active volcanoes are there in the world?
There are about 1300 active volcanoes in the world.
Read the statement and guess the correct answer. ''Cone of ash, rock and lava''.
F
A volcano that is erupting, or can still erupt, is called _________________.
an active volcano.
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