Particle Model of Matter

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Across
  1. 2. Changing state from liquid to solid
  2. 3. In _______ the particles are held close together by strong forces in a fixed regular arrangement.
  3. 8. Solid H20
  4. 9. The particles in a liquid move about at _________ and are in contact with each other.
  5. 13. The pressure of a fixed volume of gas is __________ to its temperature.
  6. 14. The "can" used to measure the volume of odd shaped solids
  7. 15. In _______ particles are close together but can move past each other and form irregular arrangements.
  8. 16. Force exerted per unit area
  9. 19. In this state of matter, particles are close but can move past each other
  10. 20. An object with a lower density than water will _____ in water.
  11. 22. The total kinetic energy and potential energy that a particle has is known as its ______ internal.osition and motion.
  12. 24. The energy a particle has by virtue of its position
  13. 25. When changing state, the mass of a substance is ________.
  14. 27. Changing state from gas to liquid
  15. 30. The particles of a gas move faster than those in a liquid and are therefore more _________.
  16. 32. Latent heat for melting and freezing is latent heat of _______.
  17. 33. When using a measuring cylinder read from the bottom of the _________ when measuring the water level.
  18. 35. The Particle Model explains the _____ states of matter
  19. 36. ______ have almost no forces of attraction between the particles
  20. 37. The energy needed to melt 1kg of a substance is the ________ latent heat of fusion.
  21. 39. Mass per unit volume
Down
  1. 1. Changing state from liquid to gas
  2. 2. The higher a particles kinetic energy, the ________ it moves
  3. 4. This occurs from the surface of a liquid when its temperature is below its boiling point
  4. 5. Energy stores in gases that increase with temperature
  5. 6. Callipers used to measure to an accuracy of +-0.05mm
  6. 7. Latent heat for change of state between liquid and gas is latent heat of ________.
  7. 10. Pressure is caused by gas particles __________.
  8. 11. The melting of water is lowered if you add salt to it.
  9. 12. Changing state from solid to gas
  10. 17. Liquid H20
  11. 18. mass/density
  12. 19. Specific heat energy needed to change state
  13. 21. The particles of a solid are held next to each other in ______ positions.
  14. 23. Changing state from solid to liquid
  15. 26. The gradient of the temperature time graph at the melting and boiling points of ice being heated in a beaker..
  16. 27. Density is the measure of __________ of a substance.
  17. 28. Mass x Specific Latent Heat
  18. 29. In this state of matter, there are almost no forces of attraction between particles
  19. 31. The third state of matter after solid and liquid
  20. 33. volume x density
  21. 34. In this state of matter, particles are close together in fixed regular arrangement
  22. 38. The windows in a bus full of people mist up due to _________.