This printable word search puzzle contains 18 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.
robert hooke
gas giant
callisto
ganymede
ammonia
big dot
biggest
galileo
jupiter
methane
tornado
clouds
europa
helium
planet
moons
red
lo