This printable word search puzzle on the topic of Rocks & Minerals contains 11 hidden words in a 24x24 letter grid. Words go horizontally and vertically. This word search is also available to download as a Microsoft Word document or a PDF.
Geologic Time Scale
Uniformitarianism
Precambrian Time
Mass Extinction
Paleozoic Era
Cenozoic Era
Mesozoic Era
Evolution
Period
Eon
Era