The Three E's

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Across
  1. 2. Found around sunspots and in active regions
  2. 4. Large,caplike coronal structures with long pointed peaks
  3. 7. The outermost layer of the solar atmosphere
  4. 8. material through which electrons move easily
  5. 10. the force that causes electric charges to flow
  6. 13. Structures in the corona made of relatively cool plasma
  7. 15. energy from controlled nuclear reactions to generate electricity
  8. 16. device that can detect electric charge
  9. 17. tendency for a material to resist the flow of electrons
  10. 19. Energy is released when the nucleus of an atom splits apart
  11. 20. any radioactive material that results when radioactive material are used
Down
  1. 1. flammable liquid formed from decay of ancient organisms
  2. 3. converts radiant energy directly into electrical energy
  3. 5. the net movement of electric charges in a single direction
  4. 6. Electric current produced from the energy of moving water
  5. 9. material in which electrons are not able to move easily
  6. 11. Solar cycle is approximately how many years
  7. 12. atomic nuclei combine at very high temperatures
  8. 14. accumulation of excess electricity charge on an object
  9. 18. Bright structures of fast flowing solar materials coming from coronal holes