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Students are able to visualize what is meant by radiation and background radiation. See More Fission Demonstration Description: With the Fission Demonstration, students gain a better understanding of nuclear fission and fusion.Students are able to visualize and model what is meant by nuclear fission. See More Sign up for Re Actions™, the e-newsletter for educators that offers teaching ideas about nuclear science and technology.

Most carbon on Earth is not radioactive, but a very small percentage is.Thus, as living things take in carbon, they inevitably will take up a small amount of radioactive carbon into their bodies.When these lifeforms die, they stop taking in new carbon.However, scientists can look at the decay of other elements in these objects allowing them to date them up to 2.2 billion years.Modeling Atoms : Mini Rutherford Description: With the Mini Rutherford Activity, students deduce shapes and sizes of unseen objects by tracking the movements of objects they can see, in relation to the unseen…

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