Reply to "You know that's impossible right?" Explaining to kids the comments of creationists.

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Carbon dating, when you go back many years, has never been proven.  For lack of a better way to explain it (my grandparents were Harvard/Nasa scientists who explained it to me in layman's terms), there are so few carbons when you go back many many years that the possible margin or error is enormous, i.e., is it 100,000 years old?  1 million years old? 1 billion years old.  Who knows - it's essentially only a theory when you go back that far because it has NEVER been verified.  We have no dated documents or other dated evidence from millions of years ago with which to verify. [/quote]

The age of the earth is not estimated by carbon-14 dating. Radiometric dating is used -- http://en.wikipedia.org/wiki/Age_of_the_Earth#Radiometric_dating.

Carbon dating will give good results for objects up to 50,000 years. It is a scientific, proven method that has been calibrated and verified, for example with old tree rings.

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Same difference.  Carbon dating is a form of radiometric dating.  Plus, again, neither has been verified as dating anything hundreds of thousands or millions or billions of years old.[/quote]

If you look at the quoted wikipedia article, you will see "Radiometric dating continues to be the predominant way scientists date geologic timescales. Techniques for radioactive dating have been tested and fine-tuned for the past 50+ years. Forty or so different dating techniques have been utilized to date, working on a wide variety of materials. Dates for the same sample using these different techniques are in very close agreement on the age of the material."  and "The radiometric date of meteorites can be verified with studies of the Sun. The Sun can be dated using helioseismic methods that strongly agree with the radiometric dates found for the oldest meteorites.[30]"

If multiple methods (40!) are giving the same result, what reason do you have for doubting it?  Do you know of any scientific evidence that gives a much smaller age than about a billion?[/quote]

You quote Wikipedia.  You talk about the sun.

My grandfather was a physicist at NASA - he worked on Apollo.  He even built observatories from scratch (including inventing his own method of lens making, missle systems too, etc. . .).  Even his work on Apollo is patented.  My grandmother was a chemist.  I cite scientists, not Wikipedia.

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