Earth History

If layers of rock are tilted, we must assume the layers were originally horizontal.

• Law of Superposition

• Law of Original Horizontality

• Cross-Cutting Law

Which of the following rock is made from clay sized sediment?

• Siltstone

• Conglomerate

• Limestone

• Sandstone

Top layers of rock are younger than lower layers of rock.

• Law of Superposition

• Law of Original Horizontality

• Cross-Cutting Law

Tags

NGSS.MS-ESS1-4

Top layers of rock are younger than lower layers of rock.

• Law of Superposition

• Law of Original Horizontality

• Cross-Cutting Law

Tags

NGSS.MS-ESS1-4

If an earthquake cuts through rock, the rock must be older than the earthquake event.

• Law of Superposition

• Law of Original Horizontality

• Cross-Cutting Law

Which of the following rock is made from gravel sized sediment?

• Siltstone

• Conglomerate

• Shale

• Sandstone

Which of the following sedimentary rock is made from sand sized sediment?

• Siltstone

• Conglomerate

• Shale

• Sandstone

In which era did the first land plants appear?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

In which era were Earth's Ice Ages?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

In which era was Earth's formation?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4