I put the water in the freezer so that - it would freeze, Even though I put the liquid hydrogen peroxide in the freezer - it did not freeze, The solid copper wire did not melt until - it was heated up, Since the liquid that I bought was heated up - it evaporated, If you heat water on a hot stove to a very high temperature - it will evaporate, I mixed the sugar into the water but - it did not dissolve, I added thermal energy to the copper but - it did not melt, Even though it was a hot humid day  - there was no condensation on my cold soda., Evaporation occurs whenever - a liquid changes to a gas, Whenever you add thermal energy to matter - the particles speed up, Whenever you decrease thermal energy in a substance - condensation and freezing will occur, Water will change to ice if - the water particles lose energy, A solid will not melt until - it's particles gain enough energy to break away,

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