Earth's Magnetic Field: Definition & Characteristics


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question 1 of 3

Earth's magnetic field emanates from Earth's _____?

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1. Earth's magnetic field protects us from the solar wind that would destroy Earth's _____.

2. What gives Earth its electric current?

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About This Quiz & Worksheet

Use these study assessments to discover how much you know about the Earth's magnetic field. Key points include the source of the magnetic field and something on Earth that would be destroyed by solar wind, if it weren't for the magnetic field.

Quiz & Worksheet Goals

You'll be quizzed on the following:

  • Source of Earth's electric current
  • The physics effect that results in the magnetic field
  • Theory as to why the magnetic field might be decreasing

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about the Earth's magnetic field
  • Making connections - use your understanding of physics effects to explain which one is responsible for Earth's magnetic field
  • Information recall - access the knowledge you've gained regarding where Earth's magnetic field emanates from and how it protects the planet from solar winds

Additional Learning

The lesson called Earth's Magnetic Field: Definition & Characteristics will help you over the following material:

  • Definition of 'magnetic field'
  • Geo-dynamics of this field that encircles the planet
  • Comparison between Earth's magnetic field and Mars