This printable word search puzzle contains 21 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
tectonic plates
Richter scale
channel pipe
pahoehoe toe
ocean floor
fiery rocks
magnitude
intensity
reservoir
lightning
side vent
main vent
hot rock
Vesuvius
shaking
chimney
volcano
chamber
cloud
magma
ash