How Old Are Rocks, Really?

Описание к видео How Old Are Rocks, Really?

How do scientists know how old a rock is? Walk with us through our Rock Garden out in front of the Museum to see one of the oldest rocks on Earth and discover how radiometric dating can tell us when it was first formed. Learn what a half-life is, the age of rocks on the Earth, and even the Earth itself!

Haga clic aquí para ver este vídeo con subtítulos en español:    • ¿Qué edad tienen las rocas, en realidad?  

Find other Sparks of Science videos here: https://www.mos.org/mos-at-home/spark...

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