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

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

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-ESS1-4

NGSS.MS-ESS2-3

The disappearance of a species.

• Evolution
• Extinction
• Migration
• Mutation

Tags

NGSS.MS-LS4-1

Known as the age of the mammals?

• Mesozoic Era
• Holocene Epoch
• Cenozoic Era
• Cambrian

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The dinosaurs and reptiles were dominant in which Era?

• Precambrian
• Mesozoic
• Paleozoic
• Cenozoic

Tags

NGSS.MS-LS4-1

Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.

• true
• false

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which is the most recent era of time- the one that we are currently in?

• Mesozoic 
• Paleozoic 
• Cenozoic 
• Precambrian 

Paleozoic, Mesozoic & Cenozoic are all

• Epochs
• Eras
• Periods
• Eons

Tags

NGSS.MS-ESS1-4