Lesson 3: Absolute Dating Vocabulary Flashcards
1
Q
Absolute dating
A
Determine the actual age of an event or object in years.
2
Q
Radioactive decay
A
The breakdown of radioactive isotope into a stable isotope of the same element or of another element.
3
Q
Half-life
A
The time needed for half of a sample of radioactive substance to undergo radioactive decay to form daughter isotopes.
4
Q
Radiometric dating
A
Finding the absolute age of a sample by determining the relative percentages of a radioactive parent isotope and a stable daughter isotope.