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Science Explainer: All about Earth's core

By Formative Staff
Last updated about 2 months ago
3 Questions
Note from the author:
Read the passage All about Earth's core. Then answer the questions below.
Read the passage All about Earth's core. Then answer the questions below.
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Drag each statement into the correct box to indicate whether it describes a characteristic of the Earth's outer or inner core.

  • grows at a rate of about one millimeter per year
  • creates the Earth's magnetic field from its moving liquid metal
  • pushes into the mantle around subduction zones
  • is mostly made from very hot solid iron at very high pressures
  • contains dissolved elements such as gold, platinum, and cobalt
  • Outer core
  • Inner core
Required

Which factors do geoscientists use to help them learn about the Earth's core? Select three correct answers.