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

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

What time period is the oldest?

• Mesozoic

• Paleozoic

• Precambrian

• Cenozoic Cenozoic

Tags

NGSS.MS-ESS1-4

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

The fossil in the first layer is a trilobite. What can you say about the other layers (NOT including the igneous intrusion that cuts across the layers)?

• All the layers date from the Paleozoic Era.

• Layers 2 through 6 formed after the Paleozoic Era.

• Layers 2 through 6 formed during the Mesozoic Era.

• Layers 2 through 6 formed during or after the Paleozoic Era.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What does the picture indicate?

• an igneous intrusion

• an angular unconformity

• an extinction event

• an explosion of different organisms

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

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 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

What is the youngest layer in the picture below?

• A

• B

• C

Tags

NGSS.MS-ESS1-4

What is the primary method used to date rocks and fossils in the study of Earth's history?

• Radiometric dating

• Carbon dating

• Dendrochronology

• Thermoluminescence

Tags

NGSS.HS-ESS1-5