Download Volcanoes - English Online

Volcanoes
Cloze
Read the following and put the correct word in the gap from the words provided.
Note, there is one more word than there are gaps.
What causes volcanoes?
The surface of the __________ is made of plates which float on the __________.
The
plates are always __________ because the mantle is moving around. The mantle
moves
because _____ mantle ______ and cool mantle falls. The hottest mantle is near the
core
and the ________ mantle is near the _______. These movements of mantle are
called
_________ currents. Convection currents cause the earth's _________ to move so
that
___________ can happen. Volcanoes happen when the _________ mantle escapes
through gaps between the tectonic plates in the earth's crust.
moving
convection
hot
mantle rises
float
coolest
volcanoes
earth
crust
plates
molten