A volcano begins as a hole or crack in the Earth's crust.
15
What comes out when the volcano erupts?
molten rock, smoke, dust, ashes and gases
20
What is "magma"?
hot runny rock or molten rock
15
What is it called when magma comes out of a volcano?
lava
20
What is it formed when the lava, dust and ashes come out from the volcano?
hill or mountain
15
Where do most earthquakes occur?
Around the edge of the Pacific Ocean.
20
Where can we find the most active volcanoes in the world?
Hawaii
20
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
20
Read the statement and guess the correct answer. '' Around the top of the vent is a hollow called the crater of the volcano''.
B
20
Read the statement and guess the correct answer. ''Lava, smoke, dust, ashes, gases and volcanic bombs".
A
20
Read the statement and guess the correct answer. ''Magma collects in a large pool below the surface".
D
20
Read the statement and guess the correct answer. ''Cone of ash, rock and lava''.
F
15
Read the statement and guess the correct answer. ''Magma flows up a passage called the vent''.
C
15
Where are most volcanoes located? on land or under the sea.
under the sea
15
When an undersea volcano erupts, what does it form?