Unit 5: Geologic Time

The time required for half of a radioactive isotope in a sample to decay into its daughter product is known as what?

• Half-life

• Decay Time

• Isotope Period

• Radioactive Duration

Tags

NGSS.HS-PS1-8

A geological principle stating that in undisturbed rock layers, the oldest layers are at the bottom, and the youngest layers are at the top is known as the ________.

• Law of Superposition

• Principle of Original Horizontality

• Law of Cross-Cutting

• Principle of Faunal Succession

A gap in the geological record where rock layers have been eroded is known as a(n) ________.

• Fault

• Unconformity

• Erosion

• Discontinuity

Tags

NGSS.MS-ESS1-4

What is the principle in geology stating that a rock formation or fault that cuts through other layers is younger than the layers it cuts across?

• Law of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Faunal Succession

A diagram or visual representation that shows a vertical slice through layers of rock or soil, providing a side view of geological structures is called a ____.

• Stratigraphic Column

• Geological Map

• Cross Section

• Topographic Map

The vast time scale that represents Earth's history, divided into eons, eras, periods, and epochs is known as ____.

• Geological Time Scale

• Calendar Time

• Historical Timeline

• Evolutionary Chart

Tags

NGSS.MS-ESS1-4

What are the original radioactive isotopes that decay into daughter products over time called?

• Parent Isotopes

• Daughter Isotopes

• Stable Isotopes

• Radioactive Decay

Tags

NGSS.HS-PS1-8

The preserved remains, impressions, or traces of once-living organisms, typically found in sedimentary rock, are known as ____.

• Fossils

• Minerals

• Crystals

• Rocks

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The permanent disappearance of a species or group of organisms from Earth is called ____.

• Extinction

• Evolution

• Migration

• Adaptation

Tags

NGSS.MS-LS4-1

The permanent disappearance of a species or group of organisms from Earth is known as ____.

• Extinction

• Evolution

• Migration

• Adaptation

Tags

NGSS.MS-LS4-1