SW Science 10 Unit 6 Relative Dating Worksheet Name: . Fossils have been used to date rocks as they are time markers many species lived at a. a larger scale, even between continents, fossil evidence can help in correlating . If you did it like many people, you based your sentences on what you know normally happens when you make a lunch.
This means that you know which events came first, but not the exact time when they happened. Scientists use the fossils of animals to help determine relative age.
Therefore, the igneous intrusion may be below a layer that is older than it.
The USGS has a good introduction of Relative Dating to have you practice putting historical events in the correct order.
The process of putting things in a "correct order" based on experience is called relative dating.
Relative dating is determining whether an object is older or younger than other objects or events.