Geologic Time

How old do Paleontologists believe the Earth is?

• 2019 years old

• 3.6 billion years old

• 4.6 billion years old

• 4.6 million years old

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What type of event usually marks the end of an Era

• A Mass Extinction

• A Quinceanera

• An earthquake

• A Volcanic Eruption

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

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

What are the names of ALL parts of the geologic time scale in correct order from broadest to narrowest?

• era, period, eon

• eon, era, period, epoch

• era, eon, epoch, period

• eon, era, epoch, period

Tags

NGSS.MS-ESS1-4

By which method have scientists determined that the Earth is about 4.5 billion years old?

• plate tectonics
• relative dating
• radioactive dating
• law of superposition

Tags

NGSS.MS-ESS1-4

The bottom layer of rock...

• is the oldest

• is the youngest

• has the most fossils

Tags

NGSS.MS-ESS1-4

Dinosaur fossils are often found in layers of

• sedimentary rock

• igneous rock

• metamorphic rock

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

Fossils of species that existed for short periods and were widespread

• uniformitarianism
• cyanobacteria
• index fossils

Tags

NGSS.MS-LS4-1

The soft parts of organisms are most likely to become fossils. 

• True
• False

Tags

NGSS.MS-LS4-1

Saying you are older than your sister is an example of?

• Absolute age dating

• Relative age dating

• Fossils

• Radioactive dating