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Radiocarbon dating (usually referred to simply as carbon-14 dating) is a radiometric dating method.

It uses the naturally occurring radioisotope carbon-14 (14C) to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years old. Carbon-14 has a relatively short half-life of 5,730 years, meaning that the fraction of carbon-14 in a sample is halved over the course of 5,730 years due to radioactive decay to nitrogen-14.

I tell the students that they will now become archaeologists as they play with the Ph ET simulation "Radioactive Dating Game".

I ask the students to divide themselves into partners, and request that one partner to get a computer, while the second partner gets the record sheet they will use.

Before Radiocarbon dating was able to be discovered, someone had to find the existence of the C isotope.

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In this video I walk you through using the simulation.

This discovery is in contrast to the carbon dating results for the Turin Shroud that was supposed to have wrapped Jesus’ body.

Carbon dating has shown that the cloth was made between 12 AD.

As the students work on the simulation they are visualizing how stability and change in natural or designed systems can be constructed by examining the changes over time (CCC Stability and Change), as well as analyzing and interpreting data (SP4). To close this lesson I ask that students write, on Edmodo, what was the most interesting thing they learned in today's lesson.

The review of this responses allows me to gauge not only how the lesson went, but also how the simulation engage/did not engage the students.

798 comments

  1. Aug 10, 2017. Radiocarbon dating usually referred to simply as carbon-14 dating is a radiometric dating method. It uses the naturally occurring radioisotope carbon-14 to estimate the age of carbon-bearing

  2. To introduce the idea of radioactive decay and carbon dating, I play a video clip from Nova "Hunting the Elements". As the video comes to an end, I pose the question, "Why is Carbon-14 useful to determine the age of organic remains?" collapse content. 2.

  3. His radiocarbon dating technique is the most important development in absolute dating in archaeology and remains the main tool for dating the past 50,000 years. Radicarbon production. half-life of the isotope. The time taken for half of the atoms of a radioactive isotope to decay in Carbon-14's case is about 5730 years.

  4. May 11, 2011. Dr Christine Prior is Team Leader of the Rafter Radiocarbon Laboratory at GNS Science. In this video, she compares conventional and accelerator mass spectrometry AMS radiocarbon dating. AMS is faster and needs a much smaller sample, but is more expensive. Also shown are views of bone.

  5. May 31, 1990. Since 1947, scientists have reckoned the ages of many old objects by measuring the amounts of radioactive carbon they contain. New research shows, however, that some estimates based on carbon may have erred by thousands of years. It is too soon to know whether the discovery will seriously upset the.

  6. Carbon-14 undergoes beta decay with a half-life of 5720 years. The element carbon is an essential element in all living matter. Carbon-14 is produced constantly as our atmosphere is bombarded by cosmic rays. It is incorporated into the carbon cycle, so that all living things, including you, contain radioactive carbon-14.

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