As the name implies, relative dating can tell which of the two artifacts is older.
This is a method that does not find the age in years but is an effective technique to compare the ages of two or more artifacts, rocks or even sites.
By dating these surrounding layers, they can figure out the youngest and oldest that the fossil might be; this is known as "bracketing" the age of the sedimentary layer in which the fossils occur.
Teach your students about absolute dating: Determining age of rocks and fossils, a classroom activity for grades 9-12.
So, we have a “clock” which starts ticking the moment something dies.Find additional lessons, activities, videos, and articles that focus on relative and absolute dating.Dating is a technique used in archeology to ascertain the age of artifacts, fossils and other items considered to be valuable by archeologists.Obviously, this works only for things which were once living.The Geological Timescale divides the Earth’s history into several periods of differing lengths of time.
The rate at which the isotopes decay is in effect our "geological clock".