1. 6.Mold vs Cast Day 2  EQ: How do fossils provide a record of Earth’s geologic history?  Learning Target: I can compare and contrast the methods of mold and cast fossil formation.  Learning Task: I will use play-doh to create a mold and plaster of paris to create a cast fossil. I can compare and contrast these types of fossils.

2. Welcome! Warm Up Monday 4/7/14  What parts of an animal become fossils? Why?

3. Fossils over time (Molds vs Casts) 7  Let’s look at our Molds and Casts from Friday Complete Day 2 of of the Document, Google Drive: 5.Molds vs Casts Worksheet: Take picture of your casts and insert into your document.

4. Compare and Contrast Mold vs Cast Complete Document: Google Drive 6. Mold vs. Cast Comparison. doc

5. Fossils over time (Molds vs Casts) 7 1. Using the chart on page 336 of your book and your Fossil Guide, arrange the 8 fossils in your tray in order based on the Period of time when they lived. 1. Copy the first 3 columns of the Geologic Time Scale on page 336 into your notebook on page 7 1. Next to the respective Periods, draw the appropriate fossil and label its name as given on the Fossil Guide

6. Example of what the chart you create in your notebook might look like: ERAPERIODMILLIONS of YEARS AGO Picture/Sketch of Organism CenozoicQuaternary1.8 Tertiary66.4 Cretaceous104 MesozoicJurassic208 Triassic245 Paleoziod

7. Example of what the chart you create in your notebook might look like:

8. Answer the Questions about the fossils 1. Which “fossil” is the oldest? 2. Which “fossil” is the youngest? 3. Describe the different Ammonites 4. How have the Ammonites evolved over time? 5. Describe the different Brachiopod shells 6. How have the Brachiopods shells evolved over time? 7. Describe the different Trilobite 8. How have the Trilobites evolved over time? 9. Why might the Trilobites be curled up? 10. Would these “fossils” be molds or casts? http://goo.gl/Vt2UvN

10. Getting into the Fossil Record 5

11. Exit Ticket  What is the Law of Superposition?

12. HW:  6. Chapter 8 Section 1 Review Sheet  Google Drive: 6.Chapter 8 Section 1 Review Sheet