Crossword Puzzle of Energy

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Across
  1. 5. A material or device that conducts or transmits heat, electricity, or sound, especially when regarded in terms of its capacity to do this
  2. 7. A system primarily designed to supply energy-services to end-user
  3. 9. A substance which does not readily allow the passage of heat or sound
  4. 10. The internal energy of an object due to the kinetic energy of its atoms and/or molecule
  5. 11. The energy possessed by a body by virtue of its position relative to others
  6. 13. The energy which a body possesses by virtue of being in motion
  7. 14. The degree or intensity of heat present in a substance or object
  8. 15. The heat required to raise the temperature of the unit mass of a given substance by a given amount
Down
  1. 1. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder
  2. 2. The emission of energy as electromagnetic waves or as moving subatomic particle, especially high energy particles which cause ionization
  3. 3. The process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature
  4. 4. A change from one state (solid or liquid or gas) to another without a change in chemical composition
  5. 6. The energy associated with the motion and position of an object
  6. 8. A system primarily designed to supply energy services to end user
  7. 12. The branch of physical science that deals with the relations between heat and other forms of energy