Geologic History of Earth

What is geologic time?

• an organization and description of events that happened in the universe

• an organization and description of events that happened in Earth's history

• an organization and description of events that happened in the Moon's history

Tags

NGSS.MS-ESS1-4

What 2 scales are used to describe Earth's past?

• exact and approximate

• radiometric and relative time

• absolute and relative time

Tags

NGSS.MS-ESS1-4

The Principle of Lateral Continuity states that sediments are deposited in large, flat sheets that continue in all horizontal directions until they either thin or meet a barrier.

• True

• False

Tags

NGSS.MS-ESS2-2

Look at the core samples of the rock layers.  Each layer contains a fossil from the animal listed.  Which is the oldest animal remains and which is the youngest animal remains?

• oldest: creodont, youngest: ostracod

• oldest: miacis, youngest: woolly mammoth

• oldest: creodont, youngest: coral

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

How do scientists know about the climate of a time period?

• by studying ice cores

• by studying plant fossils

• by studying pollen stuck in preserved animal remains

• all of the choices give

Tags

NGSS.MS-LS4-1

What time period is the oldest?

• Mesozoic

• Paleozoic

• Precambrian

• Cenozoic Cenozoic

Tags

NGSS.MS-ESS1-4

What were the first lifeforms on Earth?

• many-celled organisms

• one-celled organisms

• amino acids amino acids

Tags

NGSS.HS-LS4-1

__________ were the dominant organism during the Mesozoic Era and __________ were dominant during the Cenozoic Era.

• fish and reptiles

• mammals and invertebrates

• reptiles and mammals

Tags

NGSS.MS-LS4-1

The Grand Canyon was created by erosion and shows more than one billion years of Earth's history in its rock layers.

• True

• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The Law of Superposition states that in undisturbed rock layers, the oldest rock layers are on the bottom and the youngest rock layers are on top.

• True

• False

Tags

NGSS.MS-ESS1-4