Field Lines

Curated and Reviewed by Lesson Planet

The earth has a giant magnetic field caused by the liquid iron that constantly moves in the outer core. Scholars explore the magnetic fields of four different planets. The strength and alignment of the poles relates to the implications for exploring or potentially living on these planets.

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CCSS: Adaptable
NGSS: Designed
Additional Tags
Instructional Ideas
  • Practice using a compass in class
  • Discuss why a magnetic compass is less precise as it gets closer to the poles
Classroom Considerations
  • Requires teachers to sign up for a free CK-12 account to access the interactive resource
  • Shows the magnetic field and the force vectors
  • Provides a walk-through video that details the scientific principles
  • None