Determining Earth's Age

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

To determine the age of the Earth, scientists measure the age of geological samples such as______, ______ and minerals

• plants

• rocks

• animals

• meteorites

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

What are the techniques using by Scientists to determine the age of the Earth? (tick more than one)

• Selective dating

• Chemical dating

• Relative dating

• Absolute dating

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NGSS.HS-ESS1-6

The radiometric dating of an igneous rock provides ____________.

• the relative age of the rock
• the age of Earth
• a date for when the rock formed
• a date for when the rock was eroded

The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called ___________.

• the half life
• geologic time
• the daughter product
• the parents isotope

Tags

NGSS.HS-PS1-8

Who use the geological time scale to study the history of the Earth systematically.

• Scientist

• Biologist

• Geologist

• Botanist

Tags

NGSS.MS-ESS1-4

T/F: Geologist use radioactive dating to find the absolute age of rocks

• True
• False

The geological time scale is divided into many subdivisions. The largest subdivision is

• Eras
• Periods
• Eons
• Epochs

Tags

NGSS.MS-ESS1-4

The Paleozoic, Mesozoic, and Cenozoic are divisions in the geologic time scale called ____

• centuries
• layers
• periods
• eras

Tags

NGSS.MS-ESS1-4

Which is not the characteristics of the geological time scale

• events are arranged in a chronological order

• divided into four eras

• each era is further divided into years

• each era is further divided into smaller periods

Tags

NGSS.MS-ESS1-4