Warm-up Explain in detail how this represents superposition. Tell the order in which came first to the most recent Car, motorcycle, bike, man with dog, woman   Someone took the last cookie in the cookie jar last night. The last person to leave the scene is the culprit. Who was it?___________________________________ Clues: The Butler walks to work The Handyman rides a bike The Cook rides a motorcycle The Maid drives a car The Nephew has a seeing-eye dog

Divide your paper into 4 sections Divide your paper into 4 sections. Write 5 facts about each and draw a picture Precambrian Paleozoic Mesozoic Cenozoic

Discussion questions Describe the concept of uniformitarianism and provide two examples When did the first organisms appear on the geologic time scale. Describe the time period and how long ago it was When was Precambrian time? What is the difference between Precambrian and Cambrian time on the Geologic time scale Did humans and dinosaurs ever walk on our planet at the same time. Explain your answer Explain how paleontologist study things about our past? What is the difference between absolute and relative dating. Provide an example of each in definitions