11.3 Absolute Age (7th grade)

The age of a rock in years

• Absolute Age

• carbon-14 dating

• half-life

• isotope

Tags

NGSS.HS-ESS1-5

The best-known method of radiometric dating

• Absolute Age

• carbon-14 dating

• half-life

• isotope

the time it takes for half of a given amount of an isotope to decay.

• Absolute Age

• carbon-14 dating

• half-life

• isotope

Tags

NGSS.HS-PS1-8

Atoms of an element with different numbers of neutrons

• Absolute Age

• carbon-14 dating

• half-life

• isotope

the breakdown of unstable elements into stable elements.

• Radioactive Decay

• Radiometric Dating

• half-life

• isotope

Tags

NGSS.HS-PS1-8

The rate of decay of unstable isotopes can be used to estimate the absolute ages of fossils and rocks.

• Radioactive Decay

• Radiometric Dating

• half-life

• isotope

Tags

NGSS.HS-PS1-8

How does absolute age differ from relative age?

• only absolute dating indicates which rock is older than another
• only absolute dating finds the age in years
• only relative dating finds the age in years

Tags

NGSS.MS-ESS1-4

Scientists use radiometric dating (radioactive decay) to measure...

• relative time (dating)

• absolute time (dating)

• half-lives

• time of day

Tags

NGSS.HS-PS1-8

Which type of dating method can be used on rock layers by applying the Law of Superposition?

• relative dating
• absolute dating
• radioactive dating
• radiometric dating

Which of the following things are not contained by atoms?

• protons

• neturons

• electrons

• supositrons

Tags

NGSS.MS-PS1-1