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Teaching Earth's crust

Earth's crust

Earth’s crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges.

CK-12 (Middle School)

ESSENTIAL QUESTION:

What makes up the Earth's crust?
STANDARDS:
RST.1 - Analysis & Evidence, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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