Geologic Time

Front

Dinosaurs ruled in what era?
Options: Paleozoic Era, Mesozoic Era, Precambrian Time, Cenozoic

Back

Mesozoic Era

Front

Saying you are older than a baby is an example of what?

Back

Relative Age

Front

We live in the Cenozoic Era.

Back

True

Front

Which piece of evidence do scientists use to determine the age of the Earth?
Options: Earth Strata, Index Fossils, Radioactive Dating

Back

All of the Above

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

Front

What is it called when an entire species dies out?

Back

Mass Extinction

Tags

NGSS.MS-LS4-1

Front

If the same index fossils are found in different rock strata far apart, which is true?

Back

The rock strata are from the same relative time periods

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

Absolute dating uses half-life isotopes to get the exact age of a rock or mineral.

Back

True

Front

Which explains why layers of the Earth may be altered or changed? Options: Principle of Cross-Cutting Relationships, The Law of Superposition, The Law of Gravity and the Law of Motion, Radioactive Isotopes

Back

Principle of Cross-Cutting Relationships

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Front

Characteristics of Index fossils

Back

Recognizable, short lifespans, wide distribution

Front

Absolute Dating is also known as

Back

Radiometric and Radioactive dating