Earth History

Which era are we currently in?

• Paleozoic

• Cenozoic

• Mesozoic

• Precambrian

The age of the earth is approximately

• 4 millions years old

• 3 billion years old

• 4.5 billions years old

• 250 million years old

The Mesozoic era is known as the age of the...

• Dinosaurs

• Reptiles

• Mammals

• Invetebrates

The law of superposition states that...

• All rocks are the same age

• Older rocks are on top younger on the bottom

• Rock layers provide absolute dating of rocks.

• Younger fossils are on top and older ones are on the bottom.

Which is the most accurate method scientists can use to estimate Earth's age?

• relativism
• superposition
• relative dating
• radioactive dating

Which of the following places the geologic time eras in order from oldest to most recent?

• Precambrian, Paleozoic, Mesozoic, Cenozoic
• Mesozoic, Cenozoic, Paleozoic, Precambrian
• Cenozoic, Mesozoic, Paleozoic, Precambrian
• Paleozoic, Cenozoic, Precambrian, Mesozoic

Tags

NGSS.MS-ESS1-4

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers
• The age of fossils
• The relative age of rock layers
• the super powers of rocks

What era did small mammals first appear? 

• Paleozoic
• Pre Cambrian
• Mesozoic
• Cenozoic 

Super continent formed 260 million years ago.

• North America
• Pangaea
• Europe 

In which did dinosaurs live in?

• Paleozoic Era

• Mesozoic Era

• Precambrian Time

• Cenozoic Era