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04-Dec-2017 02:10

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Yet few people know how radiometric dating works or bother to ask what assumptions drive the conclusions. This figure wasn’t established by radiometric dating of the earth itself. Radiohalos shouldn’t exist, according to conventional wisdom!Though they are very tiny, polonium radiohalos have a huge message that cannot be ignored.Steno developed a set of Laws (Steno's Laws) to help explain his method of inferring the ages of geological structures.These laws are a set of hypotheses that the scientific community accepts as a starting basis without absolute proof. Construct models and simulations to describe and explain natural phenomena.If you flip a penny, what are the two ways the penny can land?Context This lesson was developed by the Challenger Center as part of NASA's MESSENGER Mission, of which Science Net Links is a partner.Radiometric Dating Atom Decay and Half-Life Simulation.

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The process of Relative Dating was established by Nicholaus Steno in the 1600's.Click Link: Alpha Particles = 2 protons and 2 neutrons bonded together into a particle identical to a helium nucleus.As alpha particles are released during radioactive decay, the mass of the atom decreases by 4, and the atomic # decreases by 2.If you place 100 pennies in a cup, shake them up, and pour the pennies out of the cup, how many do you predict will come up heads?

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What are the chances of each penny coming up heads?

After the activity students can visit the Virtual Dating web site which allows them to use the mouse to obtain values from the decay curve in answering questions about the amount of radioactive element remaining in a substance.

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