What are the components and phenomena related to Earth's magnetic field?
Understand the Problem
The question appears to be asking for specific terms related to Earth's magnetic field, including what materials are in the core and phenomena contributing to the magnetic field.
Answer
Convection currents in Earth's core cause the magnetic field. The core has a liquid outer core. Denser metals sink; lighter ones rise.
The constant motion of the convection currents in Earth's core and the rotation of Earth contribute to the magnetic field. Earth's core is composed of a liquid outer core, where molten metals like iron and nickel cause convection currents. During formation, denser metals sink, while lighter non-crystallized metals rise.
Answer for screen readers
The constant motion of the convection currents in Earth's core and the rotation of Earth contribute to the magnetic field. Earth's core is composed of a liquid outer core, where molten metals like iron and nickel cause convection currents. During formation, denser metals sink, while lighter non-crystallized metals rise.
More Information
Earth's magnetic field protects the planet from harmful solar winds and cosmic radiation.
Tips
A common mistake is confusing geographic and magnetic poles.
Sources
- Earth's magnetic field - Wikipedia - en.wikipedia.org
- Earth's magnetic field: Explained - Space.com - space.com
- An Overview of the Earth's Magnetic Field - BGS Geomagnetism - geomag.bgs.ac.uk
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