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This is an A-level worksheet from Flipped Around Physics, on carbon dating. Worksheet answers are available from the Flipped Around Physics website. The worksheet is designed to be used in a flipped learning setting. Students can be directed to the Flipped Around Physics website to watch quality video material on the topic. Students can then attempt to answer the questions on the worksheet prior to a lesson.
Radiocarbon dating also known as carbon dating or carbon dating is a technique for determining the age of an organic object by utilising the properties of radiocarbon, a radioactive isotope of carbon. Willard Libby developed the method at the University of Chicago in the late s. The resulting 14 C combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants via photosynthesis; animals then acquire 14C through plant consumption. When an animal or plant dies, it no longer exchanges carbon with its surroundings, and the amount of 14 C it contains decreases due to radioactive decay.
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