Earth's Interior

Earth's Interior

Different types of seismic waves behave differently in different materials. Their behavior can tell scientists about the material they travel through. Earth must contain metal. Its density, and the fact that it has a magnetic field, require it.

CK-12 (Middle School)

ESSENTIAL QUESTION:

STANDARDS:
RST.2 - Main Ideas, RST.1 - Analysis & Evidence

DEPTH OF KNOWLEDGE (DOK) LEVELS:

1,2
Read this assignment in Actively Learn