This printable word search puzzle on the topic of Rocks & Minerals contains 10 hidden words in a 24x24 letter grid. Words go horizontally, vertically, and backwards. This word search is also available to download as a Microsoft Word document or a PDF.
Mississippian
Pennsylvanian
Carboniferous
Arthropleura
Brachiopods
Placoderms
Bryozoans
Meganeura
Trilobite
Fossils