Geological Periods
Geological Periods travels through deep time with eras like the Cambrian, Devonian, and Carboniferous. They form a striking puzzle group because the names share a scholarly ring and many end in -ian, so recognizing that rhythm leads you through millions of years in seconds.
Example words
- Cambrian
- Ordovician
- Silurian
- Devonian
- Carboniferous
- Permian
- Triassic
- Jurassic
💡 Puzzle tip
Watch for names ending in -ian or -ous that you would see on a fossil timeline.
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