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WorksheetsGeological Time Scale
Total questions: 9
Worksheet time: 4mins
The following make up the 3 periods of the mesozoic era:
Triassic
Jurassic
Cretaceous
Permian
This period is characterized by the appearance of the first dinosaurs and the first mammals:
Triassic
Permian
Devonian
Carboniferous
Which of the following shows the periods of the Paleozoic era, in order from oldest to youngest?
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
Carboniferous, Cambrian, Silurian, Ordovidian
Silurian, Devonian, Permian, Ordovidian, Cambrian
Permian, Carboniferous, Devonian, Silurian, Ordovician, Cambrian
During which era has the modern human evolved?
Cenozoic
Phanerozoic
Mesozoic
Quarternary
Which eon encompasses all organisms prior to the Cambrian period?
Phanerozoic
Precambrian
Paleozoic
Cambrian
Which period is known for the first reptiles, scale trees, and seed ferns?
Carboniferous
Permian
Cretaceous
Quarternary
During which two periods were there major mass extinctions, one of which caused the extinction of over 95% of all organisms on Earth, and the other gave rise to extinction of the dinosaurs?
Permian
Cretaceous
Jurassic
Triassic
Which is the correct order of the eras of the geological time scale, in order, from oldest to youngest?
Paleozoic, Mesozoic, Cenozoic
Cenozoic, Mesozoic, Paleozoic
Precambrian, Cambrian, Phanerozoic
Triassic, Jurassic, Cretaceous
During which period did the evolution of humans occur?
Cenozoic
Quarternary
Phanerozoic
Tertiary
