8A Geologic Time Scale

What is the longest time scale in the Geologic Time Scale?

• Eon

• Era

• Period

• Epoch

What is the shortest time scale in the Geologic Time Scale?

• Eon

• Era

• Period

• Epoch

In what era are we currently in?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

What is the youngest era in the Geologic Time Scale?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

All of the following era are during the Phanerozoic Eon, except for which era?

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

What is the oldest era in the Geologic Time Scale?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

In what era does the Jurassic Period belong?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

What is the latest epoch in the Geologic Time Scale?

• Holocene

• Paleocene

• Miocene

• Oligocene

When did the Teriary Period started?

• 65.5 million years ago

• 1.6 million years ago

• 5.3 million years ago

• 23.7 million years ago

When did the Teriary Period ended?

• 65.5 million years ago

• 1.6 million years ago

• 5.3 million years ago

• 23.7 million years ago