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Teaching Earth's core

Earth's core

The dense, iron core forms the center of the Earth. Scientists know that the core is metal. The inner core is solid, and the outer core is molten.

CK-12 (Middle School)

ESSENTIAL QUESTION:

What evidence have scientists collected to determine the composition of the Earth's core?
STANDARDS:
RST.1 - Analysis & Evidence, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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