Water and Changes of State

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Across
  1. 2. A beaker of water with ______________ exposed surface area will gain heat faster and evaporate faster.
  2. 5. The process where gas loses heat and changes from gaseous to liquid state.
  3. 10. The rate of evaporation is how fast or how slow _____________ takes place.
  4. 12. Evaporation happens at the water _________________ unlike boiling which happens throughout the water.
  5. 13. The process where ice gains heat and changes from solid to liquid state.
  6. 14. During melting, the ice gains heat but its temperature remains ____________ at 0 degree Celsius.
  7. 17. The water vapour touches a cooler surface and condenses into water _____________.
  8. 18. Water evaporates faster if the temperature of the surroundings is __________________.
Down
  1. 1. ________ oC is the temperature of melting and freezing point.
  2. 3. As steam touches the cooler surrounding air, it ____________ heat and condenses into water droplets which is the mist.
  3. 4. Water vapour at 100 degree Celsius.
  4. 6. A puddle of water gains heat from its ___________________ and evaporated into water vapour.
  5. 7. The process where water gains heat and changes from liquid to gaseous state at a fixed temperature.
  6. 8. For condensation to take place, the water vapour needs to touch a _______________ surface.
  7. 9. Boiling takes place at a fixed temperature but evaporation takes place at ___________ temperature.
  8. 11. The water in our wet clothes will evaporate faster when there is _______________.
  9. 15. Water gains heat from its surroundings and evaporated into water ______________ _______________.
  10. 16. The process where water loses heat and changes from liquid to solid state.
  11. 19. The process where water gain heat and changes from liquid to gaseous state at any temperature below its boiling point.