Absolute and relative dating | Baamboozle - Baamboozle

English 9 Public

A short review over the concepts of absolute and relative dating.

Study Slideshow

Tree ring dating is an example of this type of dating:

Absolute

10

This relative dating concept means the newest stuff is on top.

Superposition

15

This relative dating concept means if one rock juts through another rock, the rock that juts through is younger.

Cross-cutting

15

This relative dating concept assumes the way that things worked in the past is the way things work today.

Uniformitarianism

15

What rock layer is youngest in this picture?

D

15

What rock layer is oldest in this picture?

C

15

If the half life of some material is 1000 years, what percent or fraction of the starting material would be left after 3000 years?

12.5% (1/2 * 1/2 * 1/2 = 1/8)

15

Radiocarbon dating is an example of this form of dating.

Absolute

10

If the half life of some material is 1000 years and 25% of the starting material remains, how long has it been dead?

2000 years (1/2 of 1/2 - 2 half lives - 2000 years)

15