This printable word search puzzle on the topic of Rocks & Minerals contains 20 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.
Geological Time Scale
Pennsylvanian
Mississippian
Quaternary
Cretaceous
Ordovician
Phanerozic
Paleozoic
Tertiary
Jurassic
Triassic
Devonian
Silurian
Cambrian
Cenozoic
Mesozoic
Permian
Period
Era
Eon