Eleventh graders research how geologic time can be estimated by observing rock sequences and using fossils to correlate these sequences. They examine relative dating and then model radioactive decay in fossils.
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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