For this radioactive dating worksheet, students use their reference guide in their text book to find the half-lives of 4 isotopes. They use a decay chart to help determine the half-lives and age of given bones and samples of radioactive isotopes.
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New Review How Do We Know the Age of the Earth?
Some 4.565 billion candles would be needed for a birthday cake for Earth. Young scientists view a video to learn about historical attempts to determine the age of Earth. They see how advances in radioactive dating led to the currently...
5 mins 9th - Higher Ed Science
Uses of Radioactivity
Radioactivity is often perceived as dangerous and a threat to our well-being, but you may be surprised at the different applications of this natural chemical process. From the smoke detectors in our homes to treatments for cancer, this...
7 mins 9th - 12th Science CCSS: Adaptable
Radioactive Dating Game
Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...
6th - Higher Ed Science CCSS: Adaptable