Earth's History

What is the longest unit of time?

• Eon

• Era

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

What Era are we currently in?

• Paleozoic

• Mesozoic

• Cenozoic

• Triassic

Tags

NGSS.MS-ESS1-4

Which Era was dominated by dinosaurs?

• Paleozoic

• Mesozoic

• Cenozoic

• Cambrian

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which segment of time is the smallest?

• Eon

• Era

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

What type of rock do fossils form in?

• Igneous
• Sedimentary
• Metamorphic
• Classic

Tags

NGSS.MS-ESS2-3

An event in time when large amounts of animals and plants die off

• geologic time
• precambrian
• period
• mass extinction

Tags

NGSS.MS-LS4-1

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

Tags

NGSS.MS-ESS1-4

The Geologic Time Scale is a record of what?

• old geologists
• sweet geology music
• the known history of rocks and fossils
• a list of every living thing ever

Tags

NGSS.MS-ESS1-4

Which rock layer is the youngest?

• A

• B

• C

Tags

NGSS.MS-ESS1-4

What do scientists think may have caused dinosaurs to become extinct?

• competition between animals

• climate change due to the asteroid hitting earth

• disappearance of prey

• competition from mammals

Tags

NGSS.MS-LS4-1