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Vita Kulas

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Cards in this guide (13)
Magnetic striping is evidence of

pole reversals seafloor spreading

In which layer is the temperature the highest

the inner core

What best describes Earth's north magnetic pole

Wandering with no pattern

A permanent magnet can affect

A permanent magnet can affect magnets and electromagnets.

The dynamo theory states that Earth's magnetic field is created in the layer known as the

core

Which describes how a compass works

. The south magnetic pole of the compass points to Earth's north magnetic pole.

Which best describes earths north magnetic pole

Wondering slowly with no pattern

Magnetic stripes on the seafloor are caused in part by

movement of ocean crust.

The south pole of a compass magnet points toward

magnetic north

north pole =magnetic south

The shadow zone exists due to the of seismic waves

refraction refraction

What is true about compasses

compass magnets can be deflected by earths magnetic field or other permanent magnets

The continental crust is what

The continental crust is up to 70 km thick.

What evidence supports dynamo theory

Tidal heating supports the dynamo theory. Magnetized lunar rocks and asteroids are used for evidence of this.

http://phys.org/news/2012-10-evidence-dynamo-asteroid.html
Earth's outer core contains liquids that conduct electricity.

Earth's outer core is a liquid. Earth's core contains mostly iron and nickel.

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