Earth's Past Notes Quiz

What is the helpful for determining the geologic time scale?

• Analyzing fossils

• Studying rock layers

• All of these

• Examining index fossils

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which dating technique provides a general guideline based on other clues?

• Relative dating

• Absolute dating

• Radiometric dating

• Index dating

Which principle states that the oldest rocks will be at the bottom in an undisturbed sequence of sedimentary strata?

• Principle of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Original Continuity

Which principle states that sedimentary rock strata are almost always deposited in a horizontal layer?

• Principle of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Original Continuity

Which principle states that an inclusion or break is younger than the rock it is cutting through?

• Principle of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Original Continuity

Tags

NGSS.MS-ESS1-4

Which principle states that strata separated by an erosional feature were once connected before?

• Principle of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Original Continuity

Which principle states that embedded fragments of rocks are older than the rock strata that contains them?

• Principle of Superposition

• Principle of Original Horizontality

• Principle of Cross-Cutting Relationships

• Principle of Embedded Fragments

What are fossils of once living organisms that existed during a very specific time period called?

• Relative fossils

• Absolute fossils

• Radiometric fossils

• Index fossils

What is the process of determining the actual age of an event or rock strata called?

• Relative dating

• Absolute dating

• Radiometric dating

• Index dating

Which radioactive isotope is accurate to up to 10 million years for dating rocks?

• Uranium 238

• Rubidium 87

• Potassium 40

• Carbon 14

Tags

NGSS.HS-PS1-8