Relative and Absolute Dating

Front

What is the term for the amount of time it takes for 50% of the remaining radioactive material to decay?

Back

Half-life

Front

List the layers of rock in order from oldest to youngest: A, B, C, D, E.

Back

E, B, C, D, A

Front

What type of dating is represented by saying 'my dad is 48 and I am 13'?

Back

Absolute dating (time)

Front

What do scientists use to measure absolute time in dating?

Back

Radiometric dating (radioactive decay)

Front

How does absolute age differ from relative age?

Back

Only absolute dating finds the age in years.

Front

What is relative dating?

Back

Determining the age of rocks or fossils in relation to other rocks or fossils.

Front

What is absolute dating?

Back

Determining the exact age of a rock or fossil in years.

Front

What principle states that in undisturbed layers of rock, the oldest layers are at the bottom?

Back

Law of Superposition

Front

What is radiocarbon dating used for?

Back

To determine the age of organic materials up to about 50,000 years old.

Front

What is the main difference between relative and absolute dating?

Back

Relative dating places events in order without providing an exact age, while absolute dating provides a specific age.