This printable word search puzzle on the topic of Rocks & Minerals contains 20 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.
Phanerozoic Eon
Proterozoic Eon
Mississippian
Paleozoic Era
Pennsylvanian
Cenozoic Era
Mesozoic Era
Archean Eon
Cretaceous
Hadean Eon
Ordovician
Quaternary
Paleogene
Cambrian
Devonian
Jurassic
Silurian
Triassic
Neogene
Permian