Exploring Geologic History on Page 9

This podcast episode from Homk Middle School's Earth Science Department continues the exploration of the geologic history map on page nine of the reference table. It covers the time distribution of fossils, including important fossils of New York State, and explains how to read the chart. The episode also discusses index fossils and provides examples, such as trilobites and corals. Additionally, it highlights significant geological events in New York, including mountain-building events and the historical positioning of land masses.

What is the main focus of the podcast series?

• Mathematics

• Earth Science

• Literature

• Physics

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

NGSS.MS-PS2-1

NGSS.MS-PS3-1

How is the geologic history chart read?

• From top to bottom

• From left to right

• From right to left

• From bottom to top

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NGSS.MS-ESS1-4

When did nautiloids first appear?

• Late Silurian

• Early Devonian

• Late Cambrian

• Early Cambrian

Which group of animals died off at the end of the Cretaceous?

• Nautiloids

• Ammonoids

• Crinoids

• Graptolites

Tags

NGSS.MS-LS4-1

Which animal group is still living today?

• Placoderm fish

• Trilobites

• Ammonoids

• Crinoids

What does the bottom of each bar in the fossil chart indicate?

• When the animal became extinct

• When the animal came into existence

• The size of the animal

• The habitat of the animal

Tags

NGSS.MS-LS4-1

What is an index fossil?

• A fossil that is found only in New York

• A fossil that lived over a small area

• A fossil that lived for a long period

• A fossil that lived for a short period and over a large area

During which period did the Taconic mountains form?

• End of the Carboniferous

• Early to middle Ordovician

• Early to middle Devonian

• End of the Permian

Tags

NGSS.MS-ESS1-4

When did New York State lie on the equator?

• 359 million years ago

• 200 million years ago

• 50 million years ago

• 100 million years ago

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which period is associated with the Allegheny orogeny?

• Early to middle Ordovician

• Early to middle Devonian

• End of the Carboniferous to Permian

• End of the Silurian