Vocabulary Test

Humans see the oldest layers on the bottom and the youngest on the top (choose two)

• Radiometric dating

• Relative dating

• radioactive dating

• Law of superposition

Tags

NGSS.MS-ESS1-4

Why are Volcanic eruptions important to the geologic time scale? choose all that are correct...

• cause mass extinctions

• can be used to absolute date strata

• make new roads for fossils to travel on

• Law of Intrusions

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Why are meteorite impacts important to the geologic time record?

choose all that are correct

• Alter life and Earth's history

• Make a layer of special dust on the Earth for us to use radiometric dating

• may cause extinctions if large enough

• are pretty

Tags

NGSS.MS-ESS2-2

What is the longest, largest unit of time called?

• Eon

• Era

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

Which is the correct order to time units from smallest to largest?

• Epoch, period, era, eon

• Epoch, era, period, eon

• Eon, era, period, epoch

• Period, eon, epoch, era

The Earth is ______________ of years old

• hundreds

• thousands

• millions

• billions

Tags

NGSS.MS-ESS1-4

Scientists chose where units of geologic time began and ended based on the appearance or disappearance of life.

• true

• false

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Fossil A is found in a rock layer above a layer containing Fossil B. Which fossil is probably older?

• Fossil A

• Fossil B

• Both are the same age

• Can't be determined

Tags

NGSS.MS-ESS1-4

Which rock layer is oldest from Site 1?

• G

• B

• A

• E

Tags

NGSS.MS-ESS1-4

The Mesozoic Era is found in which Eon?

• Phanerozoic

• Precambrian