Science

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Across
  1. 1. Water boils at 100°_
  2. 2. _Energy is the energy that a substance has due to it´s motion
  3. 4. Kind of energy that can travel through empty space
  4. 6. Change of state from liquid to gas
  5. 9. Mass per unit volume
  6. 11. Thin layer around the Earth
  7. 13. The degree to which a surface reflects light
Down
  1. 1. Transfer of thermal energy by direkt particle to particle contact
  2. 3. energy The kinetic and the potential energy of all the particles
  3. 5. The transfer of thermal energy through the movement of particles
  4. 7. Materials that have a restricted or limited ability to transfer thermal energy
  5. 8. The avarage kinetic energy
  6. 10. Transfer of thermal energy
  7. 12. Needed for photosynthesis