Absolute Dating

Front

What is Absolute Dating?

Back

A method used to determine the exact age of an object or event in years, often using techniques like radiometric dating.

Tags

NGSS.HS-PS1-8

Front

What is the half-life of Carbon-14?

Back

5730 years.

Tags

NGSS.HS-PS1-8

Front

What does half-life refer to?

Back

The length of time required for half of the radioactive atoms in a sample to decay.

Tags

NGSS.HS-PS1-8

Front

What is the half-life of Potassium-40?

Back

1.3 billion years.

Tags

NGSS.HS-PS1-8

Front

What is a daughter element?

Back

The product of radioactive decay of a parent element.

Tags

NGSS.HS-PS1-8

Front

What is a parent element?

Back

The original radioactive element that undergoes decay to form a daughter element.

Tags

NGSS.HS-PS1-8

Front

How does absolute age differ from relative age?

Back

Only absolute dating finds the age in years, while relative dating determines the order of events.

Front

What is radiometric dating?

Back

A technique used to date materials by comparing the abundance of a radioactive isotope to its decay products.

Tags

NGSS.HS-PS1-8

Front

What is the significance of Carbon-14 in dating?

Back

Carbon-14 is used to date organic materials up to about 50,000 years old.

Front

What is the principle of radioactive decay?

Back

Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation.

Tags

NGSS.HS-PS1-8