1. SciencePlanner2/22/16 WU:Seating Chart CW:Vocabulary Video Clip Plate Tectonics Puzzle HW:Feel free to work on your foldable at home.

2. Vocabulary Part ll Precambrian – time from the formation of the Earth till the beginning of the Paleozoic era, life begins. (About 4 billion years) Palezoic – 542 mya to 251 mya. Reptiles, amphibians, fishes, worms, and ferns appear. Mesozoic – 251 mya to 65 mya. Dominated by dinosaurs and first birds. Cenozoic – 65 mya to present. Age of mammals, humans appear 150,000 years ago. Carl Sagans “Cosmic Calendar” https://www.youtube.com/watch?v=GzG9fHMr9L4