Geologic Eras Review

All geologic eras are the same length of time.

• True

• False

Tags

NGSS.MS-ESS1-4

Read the Diagram. An eon is made of multiple eras. And eras are made of multiple periods. The diagram shows the eras and periods that make up the Phanerozoic Eon. Fill in the sentences below with the correct words. The periods of the Paleozoic era are ____________________________.

Read the Diagram. An eon is made of multiple eras. And eras are made of multiple periods. The diagram shows the eras and periods that make up the Phanerozoic Eon. Fill in the sentences below with the correct words. The periods of the Mesozoic era are ____________________________.

During which geologic time unit did the oldest rock layer form?

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NGSS.MS-ESS1-4

Which rock layer is the youngest?

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NGSS.MS-ESS1-4

During which geologic time unit did the youngest rock layer form?

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NGSS.MS-ESS1-4

Read the Diagram: Fill in the sentences below with the missing words. Life began to increase in diversity around ______ million years ago.

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NGSS.MS-LS4-1

Which of the following is the longest geologic era?

• Mesozoic

• Paleozoic

• Cenozoic

• Precambrian

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NGSS.MS-ESS1-4

Which era is known as the 'Age of Reptiles'?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

During which era did mammals become the dominant land animals?

• Mesozoic

• Precambrian

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS4-1