History of Earth

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

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-ESS2-2

NGSS.MS-ESS2-3

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

Any feature that cuts through strata is younger than the rock layers it cuts across is ___.

• the Law of Superposition

• the Principle of Original Horizontality

• the Principle of Cross-cutting Relationships

• the Principle of Lateral Continuity

A (An)___ is any physical evidence of a plant or animal that lived long ago.

• old bone

• fossil

• radioactive rock

Tags

NGSS.MS-LS4-1

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

• Paleozoic

• Mesozoic

• Cenozoic

• Precambrian

What is the primary method used to date rocks and fossils?

• Carbon dating

• Radiometric dating

• Dendrochronology

• Thermoluminescence

Which of the following best describes the process of plate tectonics?

• The movement of Earth's plates causing earthquakes and volcanic activity

• The erosion of rocks by wind and water

• The formation of mountains by sediment deposition

• The cooling and solidification of magma

Tags

NGSS.MS-ESS2-3