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Early Earth Age of Our Earth Blog - Cosmic Calendar According to the scientific community: • The big bang happened on the __________ _________ on the cosmic calendar • Our galaxy was formed - _________ billion years ago • Our Universe was formed - ________ billion years ago • Life on earth began _______ billion years ago • Human life began _________ years ago – the last _____ _________________ of the cosmic calendar. Pangaea what was it? 1) was a supercontinent that formed approximately 300 million years ago. 2) It began to break apart around 100 million years after it formed. 3) The single global ocean which surrounded Pangaea is named Panthalassa. What evidence is there that points to the existence of Pangea? The distribution of fossils acro the continents Continental Drift Movement of the earth’s crust – The plates slowly moved to where they are today. – Moves about 0.8- 2 inches a year Types of Earth Movements 1). Convergent: when 2 plates collide into each other – Result s mountains formed 13, Mt. Everestelevation 29,029 ft. (5.5 mi) Types of Movements 2). Divergent: when 2 plates separate from each other – Result s valleys formed Types of Movements 3). Transverse: when 2 plates rub against each other – Result s earthquakes Pacific Ring of Fire A majority of the world’s fault activity falls along the edge of the Pacific Ocean