Page 177 - Science Coursebook
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11 End of unit questions
11.4 The diagram shows a dish of water which has been left on a table on a warm day.
After a few hours, most of the water has disappeared from the dish.
a Name the process by which water leaves the dish. [1]
b The water has become water vapour. Is this a solid, liquid or gas? [1]
c The temperature of the water is less than the temperature of its surroundings.
Explain, in terms of the particles of the water, why this is so. [3]
11 Energy 175
