Geologic Time Scale

In what time period are we currently living in?

• Precambrian time

• Paleozoic era

• Mesozoic Era

• Cenozoic Era

In what period did Pangea, the super continent, appear?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Preserved remains of plants and animals from the remote past are called?

• sedimentary rocks

• Radioactive dating

• decayed organisms

• fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The law of superposition states

• Younger rock layers are on top of older rock layers

• Older rock layers are on top of younger rock layers

• Fossils are found in sedimentary rocks

• absolute dating

Tags

NGSS.MS-ESS1-4

Which era is the longest, taking up 88% of geologic time?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

Saying you are older than you sister is an example of

• Absolute age dating

• Relative age dating

• Fossils

• Radioactive dating

The end of an era, and the end of life for groups of organisms, is called?

• Death

• Transition

• Mass extinction

• Turning point

Tags

NGSS.MS-LS4-1

The end of the Mesozoic Era was most likely caused by?

• An asteroid

• lowering sea levels

• to much oxygen

• an ice age

Tags

NGSS.MS-LS4-1

Which era best represents when humans first appeared on Earth?

• Cenozoic

• Mesozoic

• Archean

• Hadean

Tags

NGSS.MS-LS4-2