GEOLOGICAL TIME SCALE Section 18.1,18.2 By: Christian Flores and Jordan.
10/6/11 and 10/7/11
CHAPTER 4 Geologic Time. Review: What do fossils show about past environments? past life?
The Geological Time Scale 8-2.4 Recognize the relationship among the units—era, epoch, and period—into which the geologic time scale is divided. 8-2.5.
GEOLOGIC TIME “HISTORY OF THE EARTH”. LEARNING TARGETS 2a) I can distinguish between eons, eras, periods, and epochs (DOK 1). 2b) I can identify the order.
I. Hot spots Stationary hot spots on Earth where heat rises (not at plate boundaries)
Geologic time
Geologic Time Scale. Objectives Explain why geologic time scale is used to show Earth’s history. Describe the different units of the geologic time scale.
