What causes a volcanic eruption?
Complete the questions on Volcanic Eruptions in your SCIENCE book. You will need to copy down any
questions that are written in blue. You do not need to copy down anything in red. Questions 2 and 6
should be written as FULL SENTENCE ANSWERS.
1) The four layers of the Earth are the __________ ,
__________, ____________ and _____________.
2) Why is the metal inner core solid even though its temperature is
hot enough to melt metal?
3) What word in the text means the same as melted?
4) Using the text, write a definition for each:
a) tectonic plates:
b) magma:
c) fault lines:
d) lava:
e) crater:
5) Write the correct words to complete the text.
A volcanic ______________ occurs when the ____________ in a
magma ____________ becomes so great it releases like a valve.
Magma is released through the volcano's _____________ in an
eruption of ___________, rocks (bombs) and ash.
A volcanic _____________ develops over centuries as flowing
__________ from the active volcano ____________ to form
layers of rock.
6) How might a mudslide occur after a volcanic eruption?