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Teaching Magnetic evidence for seafloor spreading

Magnetic evidence for seafloor spreading

Different seafloor magnetic stripes equal different ages. By using geologic dating techniques, scientists could figure out what these ages are. They found that the youngest rocks on the seafloor were at the mid-ocean ridges. The rocks get older with distance from the ridge crest.

CK-12 (Middle School)

ESSENTIAL QUESTION:

What evidence supports the idea of seafloor spreading and as a result, continental drift?
STANDARDS:
RST.1 - Analysis & Evidence, RST.6 - Author's Purpose

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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