Magnetic, Electrical and Gravitational Forces Terminology

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Across
  1. 1. South-seeking Pole of a magnet.
  2. 4. A device that does not readily conduct energy.
  3. 5. Electron pairs repel each other.
  4. 7. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  5. 9. Emits energy in forms of rays or waves.
  6. 10. A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces.
  7. 14. The invisible magnetic field that surrounds the earth generated by the movement of molten in the planet's core.
  8. 16. North-seeking Pole of a magnet.
  9. 17. A form of radiation that travels through the universe.
  10. 18. A machine for converting mechanical energy into electricity.
  11. 19. A force under the influence of which objects tend to move towards each other.
  12. 20. The region around a magnetic material or a moving electric charge within the force of magnetism acts.
Down
  1. 2. A flow of charged particles moving through an electrical conductor or space.
  2. 3. An instrument for measuring electrical current par excellence.
  3. 6. Object has more protons than electrons.
  4. 8. Object has more electrons than protons.
  5. 11. A combination of invisible electric and magnetic fields of force.
  6. 12. Region at each end of a magnet where the external magnetic field I'd The strongest.
  7. 13. Drive or force away.
  8. 15. A material of device that conducts or transmits heat, electricity and sound.