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And its relationship to the Genesis account of creation Genesis 5 Christadelphian Beliefs We believe the Scriptures are the inspired word of God All Scripture is breathed out by God and profitable for teaching for reproof for correction and for training in righteousness 2 Timothy 316 ESV. eology. Can you Dig it?. Archaeology. The study of past human cultures and the way people lived based on the things they left behind.. Archaeologists study the past by examining objects people have left behind. Being a archaeologist is very much like being a detective!. Absolute Dating. Calculating the age of rocks, fossils, or strata in years.. Gives a numerical value.. Example: A rock is found to have an absolute age of 300 million years. . Radiometric Dating. Radiometric dating uses radioactive decay of minerals in rocks and fossils to determine a rock or fossil’s absolute age. . What is Radioactive Decay?. What is Radioactive Dating?. How do Scientists Determine Earth’s Age?. 93.75%. 6.25%. What is Radioactive Dating?. . DE 1:24 . 1. 3.9 billion years. 2. 22, 920 years. How old is the Earth?. Evolutionists say – about 4.5 billion years ago. Young Earth Creationists say – a few thousand years old. The Candle Analogy. Present-day observations are not a good basis for determining earth’s age.. Fossils. Fossils provide a window into the past as they provide evidence about the changes that have occurred to the Earth over the 4.5 billion years of existence.. A . fossil . is the preserved evidence in rocs or soils of organisms that once existed on Earth.. Fossils. Fossils provide a window into the past as they provide evidence about the changes that have occurred to the Earth over the 4.5 billion years of existence.. A . fossil . is the preserved evidence in rocs or soils of organisms that once existed on Earth.. The Nature of Fossils. fossilization is a rare phenomenon. can be . any. remains or traces of ancient organisms . mineralized bones (most common). footprints. soft body parts . 165 million years ago. Nuclear Material. Half-Life. is the required for of a radioisotope’s nuclei to decay into its products.. For any radioisotope,. # of ½ lives. % Remaining. Relative Dating. To . determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition.. Christopher Ullman. Christian Life College. Carbon-14. Dating. Cosmic rays bombard. upper atmosphere............ .....producing fast. moving neutrons. These neutrons collide. with atmospheric. nitrogen atoms........... Christopher Ullman. Christian Life College. Carbon-14. Dating. Cosmic rays bombard. upper atmosphere............ .....producing fast. moving neutrons. These neutrons collide. with atmospheric. nitrogen atoms........... When sedimentary rock is deposited in layers it is deposited horizontally.. Scientists use this “Principle of Original Horizontality” to help them determine the age of the layers.. The older layers of rock are found below the younger layers of rock.. Radiometric Dating. Radiocarbon Dating. Used to calculate the age of things that used to be alive. Periodic Table of the Elements. Isotopes. C-12. 6. protons & 6 neutrons. C-14. 6. protons & 8 neutrons. Today’s Objective:. . How Do Scientist Figure Out A Numerical Age For Rocks? . Do Now. :. Using the diagram to the right what is the difference between relative dating and absolute dating? . What is a jiffy .