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Radiometric Dating (Tabat-2014)

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Which radioactive element would geologists most likely use to accurately calculate a 10,000 year old fossil's age?   show
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Radioactive dating is used to study which element in igneous and metamorphic rocks?   show
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Which method of radioactive dating would be used in determining the age of a human fossil?   show
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show 2.6 billion years  
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What method do scientists most often use in determining the age of the Earth?   show
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Why is uranium used in radioactive dating?   show
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Why does carbon-14 dating help scientists determine the approximate time a species became extinct?   show
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Why is radioactive decay useful to scientists?   show
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What is true about different isotope pairs used for radiometric dating?   show
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show the amount of time it takes for 1/2 of the radioactive isotope in a rock to decay  
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show the parent isotope  
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What is it when radioactive elements release excess energy and decay into a more stable element?   show
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show atoms of the same element that have different atomic weights such as oxygen-18 and oxygen-16  
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What are unstable isotopes usually?   show
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Created by: masonteach
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