1. Welcome to Science 11/11
As you enter put your initials on the timeline in the order that you arrive in the room. Have your HW out.
Who was the first person in the room? Last?
How does the timeline show this?
The first people in the room put their initials at the beginning of the timeline. As people came into the room later, they put their initials at the end of the timeline.

2. Relative Dating
We determine the age of a fossil or rock by looking at its relative position in layers of rock. Ages of Rock Layers

3. Superposition
Principle that states younger rocks lie above older rocks in undisturbed sequences.
“Younger Over Older”

4. Rock Layers
disturbed

5. Rock Layers Lab 1. Partner Lab 2. Work together and work quietly
3. Objective: To use fossils and geologic features to determine the relative ages of rock layers.
4. Lab will be evaluated for accuracy. If you have a question please ask.