Definition of carbon dating for kids
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carbon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. A technique for measuring the age of organic remains based on the rate of decay of carbon 14.Because the ratio of carbon 12 to carbon 14 present in all living organisms is the same, and because the decay rate of carbon 14 is constant, the length of time that has passed since an organism has died can be calculated by comparing the ratio of carbon 12 to carbon 14 in its remains to the known ratio in living organisms.In the late 1940s, American chemist Willard Libby developed a method for determining when the death of an organism had occurred.Isotopes There are two stable naturally occurring isotopes of carbon, carbon-12 and carbon-13.
Diamonds are used to make fine jewelry and are considered the most valuable of all the gemstones.
Carbon is the fourth most abundant element in the universe by mass and the second most abundant element in the human body.
Carbon is constantly cycled through the Earth's oceans, plant life, animal life, and atmosphere. Characteristics and Properties Carbon is found on Earth in the form of three different allotropes including amorphous, graphite, and diamond.
You probably have seen or read news stories about fascinating ancient artifacts.
At an archaeological dig, a piece of wooden tool is unearthed and the archaeologist finds it to be 5,000 years old.