College of Staten Island, CUNY - GEO 101Lab 9 - Geologic Time

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Lab 9 Geologic Time Name: Required materials Pencil Set of 100 dice or dice simulator (https://www.randomlists.com/dice) Computer with Excel (log on to CSI lab computer if necessary) Excel Spread... sheet (download from Blackboard) Pre-lab reading and quiz Read Chapter 9 of your textbook and review your lecture notes on geologic time. Explain the difference between relative and absolute time. Absolute time is the measurement taken from rocks to determine the time. Relative time is the physical subdivision of rocks found in Earth with the time and order of events they represent How do geologists determine the absolute age of rocks? Radioactive elements present in the rock to find the half-life Sketch the graph showing the percentage of parent atoms remaining in a sample after 1, 2, 3 and 4 half-lives have passed [Show More]

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