S9-U6L1 Earth's Dynamic Interior Part 5

Gather evidence:

What is the evidence and reasoning that supports the claim that Earth's magnetic field is generated by the motion of liquid metal, and not a permanent, solid magnet deep inside Earth?

Write part of your finding here and continue updating your research in your study guide.

What causes convection in the outer core? Why doesn't the inner core convect as well?

How does convection move both matter and energy in Earth's mantle?

Examine Halley's model and compare it to a modern model of earth. How would you now evaluate the validity of Halley's model? What evidence would you collect and how would you collect it?