Magnetic, Electrical, and Gravatational Forces.

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Across
  1. 6. The force that pulls two magnets together when their opposite poles are facing each other.
  2. 8. A charged atom or molecule, meaning it has gained or lost electrons, resulting in a net positive or negative electrical charge.
  3. 11. When two magentic poles of the same type push away from each other, exerting a force causing them to move apart.
  4. 13. The north-seeking pole of a magnet.
  5. 14. The flow of electric charges usually electrons, through a wire or circuit.
  6. 15. The south-seeking pole of a magnet.
  7. 18. An electromechanical measuring instrument for electric current.
  8. 19. Generating an electric current in a conductor by moving it through a changing magnetic field.
Down
  1. 1. An object that has more electrons than protons.
  2. 2. Energy that travels in waves, consisting of oscillating electric and magnetic fields.
  3. 3. The invidible force field surrounding our planet generated by the movement of molten iron in the Earth's core, which acts like a portective shield against harmful radiation from the sun.
  4. 4. A disturbance in the electric and magnetic field that propagates through space, transferring energy from one point to another.
  5. 5. A material that allows electricity to flow through it.
  6. 7. The region where the external magnetic field is the strongest at the north and south pole of a magnet.
  7. 8. A substance which does not readily allow the passage of heat or sound.
  8. 9. The invisible area surrounding a magnet where a magnetic force can be detected.
  9. 10. The force exerted by magnets when they attract or repel each other.
  10. 12. A combination of both invisible electric and magnetic fields of force.
  11. 16. An object that has more protons than electrons.
  12. 17. device that can be used to convert mechanical energy into electrical energy.