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Understand how decay and half life work to enable radiometric dating.Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.Even the heroes are individuals with their own wants and desires that don't always lead to peaceful relationships.

And we talk about the word isotope in the chemistry playlist. But this number up here can change depending on the number of neutrons you have. And every now and then-- and let's just be clear-- this isn't like a typical reaction. So instead of seven protons we now have six protons. And a proton that's just flying around, you could call that hydrogen 1. If it doesn't gain an electron, it's just a hydrogen ion, a positive ion, either way, or a hydrogen nucleus. And so this carbon-14, it's constantly being formed. I've just explained a mechanism where some of our body, even though carbon-12 is the most common isotope, some of our body, while we're living, gets made up of this carbon-14 thing.The actions, gestures and spoken parts acted out by the puppets are typically used in storytelling.There are many different varieties of puppets, and they are made of a wide range of materials, depending on their form and intended use.And then you can use that rate to actually determine how long ago that thing must've died. It would be a pretty reasonable estimate to say, well, that thing must be 5,730 years old.Learn about different types of radiometric dating, such as carbon dating.An unconformity is a gap in the sedimentary rock record.

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