The table below illustrates half-lives for selected elements. For a half life of years, the following table shows the fraction remaining for various time periods:. Our company specializes in the areas of geologic time and dating techniques.
Students are provided the context of the problem, a request letter from a client asking them to provide a recommendation, and data relevant to the situation. The problem is posed as a game and allows the students to visualize mathematical operations. Of course, test procedures, like anything else, can be screwed up. They will compare and contrast fabrics on these factors and calculate yardage needed to manufacture the team's 24 uniforms. The Natural History Foundation NHF has completed our dating process using the elemental isotopes you suggested with excellent results! This is the final lesson in the Radioactive Dating Unit. Image used with permission CC-BY 4.