Geologic Time

Which era of geologic time do we currently live in?

• Cenozoic
• Mesozoic
• Paleozoic
• Archaen

Tags

NGSS.MS-ESS1-4

What time period makes up 90% of Earth's history?

• Mesozoic Era
• Phanerozoic Eon
• Precambrian Time
• Jurassic Period

Identify the Era:
where dinosaurs thrived

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

Identify the Era:
Humans live in this era

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

Tags

NGSS.MS-ESS3-4

The Cenozoic Era is often called "the Age of the ____"

• Dinosaurs
• Mammals
• Amphibians
• Reptiles

Eras of the geologic time scale are
divided into ______.

• periods
• ages
• units
• epochs

Tags

NGSS.MS-ESS1-4

Plants and animals first reached land during the 

• Mesozoic Era
• Cenozoic Era
• Paleozoic Era
• Precambrian

Identify the Era:
This eras name means "ancient" or  "early" life.

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

Identify the Era:
Amphibians first developed in this era.

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

How did the Earth change 2.5 billion years ago when many organisms began using photosynthesis to make food?

• the amount of oxygen in the atmosphere increased
• mass extinction occurred
• the oceans became larger
• rainfall increased

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3