Energy in the Atmosphe

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Across
  1. 2. Change from liquid to solid (8)
  2. 8. Matter with definite shape and volume (5)
  3. 9. Decrease in volume when particles slow down (7,11)
  4. 10. Stored energy due to particle distance (9,6)
  5. 13. Change from liquid to gas at boiling point (7)
  6. 14. Average kinetic energy of particles (11)
  7. 15. Change from liquid to gas (11)
  8. 17. Tiny pieces that make up matter (9)
  9. 19. Study of heat (14)
  10. 21. Change from solid to liquid (7)
  11. 22. Heat transfer through direct contact (10)
Down
  1. 1. Matter with definite volume but no definite shape (6)
  2. 3. Heat transfer through waves (9)
  3. 4. Total energy of particles in a substance (7,6)
  4. 5. Movement in all directions at different speeds (6,6)
  5. 6. Matter with no definite shape or volume (3)
  6. 7. Change from gas to liquid (12)
  7. 11. Increase in volume when particles move faster (7,9)
  8. 12. Heat transfer through movement of fluids (10)
  9. 16. Motion energy (7,6)
  10. 18. Movement of particles from high concentration to low concentration (9)
  11. 20. Energy transferred because of temperature difference (4)