How Old is the Earth?

How did Greek philosopher Aristotle theorize the age of the Earth?

• Aristotle theorized that the Earth was eternal and had existed forever.

• Aristotle theorized that the Earth was just born at about 0 BCE.

What method did physicist William Thompson use to estimate the age of the Earth?

• Used cooling rate of molten mass

• Use the age of the rocks

• Used age of volcanoes

Tags

NGSS.HS-ESS1-6

What is the significance of radioactive decay in determining the age of the Earth?

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NGSS.HS-PS1-8

How did Clair Cameron Patterson determine a more accurate age of the Earth?

• used uranium-lead isotope dating on meteorites to estimate an age of 4.5 billion years for the Earth.

• used uranium-lead isotope dating on meteorites to estimate an age of 5.5 billion years for the Earth.

Tags

NGSS.HS-ESS1-5

Meteorites have formed at the __________ time as the solar system, so dating the Earth and the solar system are the same.

Tags

NGSS.HS-ESS1-6