1. Relative Dating
Monday, December 1st, 2014

2. Do Now Homework Do Now Define the following terms
Fossil
Strata
Relative dating
Do Now
Create 3 units in your binder in the Life Science section
Fossils
Biodiversity
Adaptation
Create a new vocabulary page for the Life Science section

3. Objectives
SWBAT find the relative age of fossils by looking at a diagram
Essential Question
How can scientists find the relative age of fossils in sedimentary rock

4. Context Tell the person next to you
The parts of something written or spoken that immediately precede and follow a word or passage and clarify its meaning.

5. Essential Vocabulary Relative Dating Fossil Strata
A method of finding the order of when rocks or fossils formed without determining the absolute age.
Uses context of where a fossil was found relative to what else is around it.
Fossil
Strata

6. Dating Rocks and Fossils
Reading with 8 questions in folders
Use a sheet of paper in your fossils unit
Title: Dating Rocks and Fossils
Date: 12/1
Write questions and answers in your notes
You may work with your table
25 minutes

7. 3 principles of stratigraphy
Superposition
Horizontality
Cross cutting relationships

8. Faunal succession
is based on the observation that sedimentary rock strata contain fossilized flora and fauna, and that these fossils succeed each other vertically in a specific, reliable order that can be identified over wide horizontal distances.

9. Answer the Essential Question
How can scientists find the relative age of fossils in sedimentary rock?
Use the terms
relative dating
fossil
strata
sedimentary rock

10. Exit Ticket Which layer is the oldest? Which layer is the youngest?
Answer the following questions using the diagram
Which layer is the oldest?
Which layer is the youngest?
An index fossil in layer D is 100 million years old and an index fossil in layer B is 110 million years old. How old must the fossils in layer C be?