P3 key terms

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Across
  1. 3. A change that can be reversed to recover the original material (eg dissolving salt)
  2. 7. The type of energy stored in moving objects
  3. 8. Change of state from a liquid to a solid
  4. 11. The amount of energy required to change the state of 1kg of a substance with no change in temperature
  5. 13. Change of state from a gas to a liquid
  6. 15. The name given to the possible arrangements of particles in a substance (solid, liquid or gas)
Down
  1. 1. The amount of energy needed to raise the temperature of 1kg of a substance by 1 degree Celsius
  2. 2. Change of state from a solid to a liquid
  3. 4. Change of state from a solid to a gas
  4. 5. The energy stored inside a system by the particles (atoms and molecules) that make up the system; it is the total kinetic energy and potential energy of all the particles.
  5. 6. The forces exerted by gases on a surface as the particles collide with it.
  6. 9. Change of state from a liquid to a gas
  7. 10. A changed that creates new products; they cannot usually be reversed.
  8. 12. Energy stored in particles because of their positions - the further apart the particles, the higher this type of energy is
  9. 14. How much mass is contained in a given volume of a substance