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# Radiometric Dating

## Radioactive decay is a tool for determining the ages of certain minerals and other materials, including the limits of the technique.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Read

## Radiometric Dating

by CK-12 //basic
How scientists can use radioactive decay to find the age of certain materials.
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• Video

## Radiometric Dating

by CK-12 //basic
Explore radiometric dating by watching this video narrated by geologist Dr. Hamish Campbell.
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• Downloadable Quiz

## Radiometric Dating Quiz - MS ES

by CK-12 //basic
Reviews how scientists can use radioactive decay to find the age of certain materials.
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• Real World Application

## Discovering Earth's Age

by CK-12 //basic
Bertram Boltwood first used radiometric dating to determine the ages of rocks and of Earth. Although his calculations were not completely accurate, he brought in an important new source of scientific information to the field of geology.
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• Real World Application

## Date a Planet

by CK-12 //basic
Discover how scientists use radiometric dating to determine the age of Earth.
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