Radiometric dating explained for kids

05-Jan-2020 08:42 by 3 Comments

Radiometric dating explained for kids - alcoholics anonymous dating service chicagoland

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However, rocks and other objects in nature do not give off such obvious clues about how long they have been around.

Well, we know this because samples of his bones and hair and even his grass boots and leather belongings were subjected to radiocarbon dating.

Radiocarbon dating, also known as carbon-14 dating or simply carbon dating, is a method used to determine the age of organic material by measuring the radioactivity of its carbon content.

By anyone's standards, 50 billion years is a long time.

In fact, this form of dating has been used to date the age of rocks brought back to Earth from the moon.

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Free 5-day trial Radiometric dating is used to estimate the age of rocks and other objects based on the fixed decay rate of radioactive isotopes.So, radiocarbon dating can be used to find the age of things that were once alive, like the Iceman.And this would also include things like trees and plants, which give us paper and cloth.The thing that makes this decay process so valuable for determining the age of an object is that each radioactive isotope decays at its own fixed rate, which is expressed in terms of its half-life.So, if you know the radioactive isotope found in a substance and the isotope's half-life, you can calculate the age of the substance. Well, a simple explanation is that it is the time required for a quantity to fall to half of its starting value.For example, with potassium-argon dating, we can tell the age of materials that contain potassium because we know that potassium-40 decays into argon-40 with a half-life of 1.3 billion years.