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Teaching Radioactive decay as a measure of age

Radioactive decay as a measure of age

Explains radioactive decay, including parent and daughter isotopes, and half lives, and its importance.

CK-12 (Middle School)

ESSENTIAL QUESTION:

How do scientists using radioactive elements to determine how old things are?
STANDARDS:
RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

3
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