Geological Time Scale
Mnemonic questions
and answers
Aren't - answer Archean
Prototypes - answer Proterozoic
Phantastic? - answer Phanerozoic
Pretend - answer Precambrian
Pals - answer Paleozoic
May - answer Mesozoic
Call - answer Cenozoic
Can - answer Cambrian
Opal - answer Ordovician
Sit - answer Silurian
Down? - answer Devonian
Mnemonic questions
and answers
Aren't - answer Archean
Prototypes - answer Proterozoic
Phantastic? - answer Phanerozoic
Pretend - answer Precambrian
Pals - answer Paleozoic
May - answer Mesozoic
Call - answer Cenozoic
Can - answer Cambrian
Opal - answer Ordovician
Sit - answer Silurian
Down? - answer Devonian