B1 Thermal Vocab

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Across
  1. 4. average distance between Earth and the Sun
  2. 6. process of changing a liquid into a gas
  3. 10. transfer of thermal energy due to collisions between particles that are in direct contact with each other
  4. 12. relationship between temp and wavelength corresponding to the peak intensity of radiation
  5. 13. sum of potential and kinetic energies of particles in a substance
  6. 14. measure of average kinetic energy of particles in a substance
  7. 15. mass of substance divided by its volume
Down
  1. 1. amount of energy a black body emits per second
  2. 2. the distance that electromagnetic radiation travels through a vacuum in one year
  3. 3. energy that comes from a source and travels through space at the speed of light. Has a magnetic and electric field
  4. 5. the amount of energy required to change the phase of 1kg of a substance at a constant temperature
  5. 7. process of changing a solid into a liquid
  6. 8. something that absorbs all radiation, both visible and non-visible
  7. 9. in physics, the power transferred per unit area
  8. 11. transfer of thermal energy due to the mass movement of molecules