3. 2 Ways to figure out the ‘age’ of
Earth layers and fossils
Relative Dating Absolute Dating
4. Relative Age/Dating
Key word = relative….which is NOT exact but more
general
Does NOT tell us exactly how old a fossil/rock/layer is
Gives us a general idea based on LAW OF
SUPERPOSITION
5. Below the grass are many layers,
known as strata that make up
Earth’s crust
6. Areas such as the Grand Canyon have
been weathered over time and layers
are exposed and easily visible…
