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1. Observe the below chart, and name the $$A$$, $$B$$, $$C$$, $$D$$ which denotes the external energy causes or the process that changes the state of the matter.

i) $$A$$ denotes

ii) $$B$$ denotes

iii) $$C$$ denotes

iv) $$D$$ denotes

2. Match the following.

 Transformation of state Name of the process Picture of the process Liquid to solid MeltingFreezingCondensationEvaporation Melting Liquid to solidGas to liquidLiquid to gasSolid to liquid A morning dew on the grass, fog in the air and the visible breath in cold conditions are the example of what process? CondensationMeltingBoilingEvaporation A phase transition from the liquid phase to vapor is called MeltingEvaporationVaporizationCondensation

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