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Type: Multiple-Choice
Category: Magnetism and Electricity
Level: Grade 6
Author: haywd14
Created: 11 years ago

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Magnetism and Electricity Question

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Grade 6 Magnetism and Electricity

Electromagnetic waves are produced by
  1. Earth's magnetic field.
  2. static electricity.
  3. the vibration of iron filings.
  4. the vibration of an electric field and a magnetic field together.