Tree Rings, Ice Cores, and Varves

Tree Rings, Ice Cores, and Varves

Scientists can determine absolute ages using tree rings, ice cores and varves.

CK-12 (Middle School)

ESSENTIAL QUESTION:

STANDARDS:
RST.2 - Main Ideas, MS-LS4-1 - Fossil Records

DEPTH OF KNOWLEDGE (DOK) LEVELS:

3
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