Later I heard that the price of an eye exam at target optical may vary from $29 to $229. So I think this may be the reason that why I can't find the price on the internet. if you want to have an eye exam at target optical, I strongly suggest you to make a call to know the exact price for en eye exam in that store.
Water does not commonly form a gas, but rather a vapor which is slightly different (but really just the name of a gas that is normally a liquid). - There is latent heat in water so you can remove energy without changing the temperature of the water (only exactly at a phase change though).
Water molecules have more energy in liquid form than in solid form. As the temperature of the liquid becomes lower, the energy is reduced, which causes the water molecules to slow down. When the temperature reaches freezing level, the molecules stick together to form solid ice. However, the molecules are still in motion. There is more to water freezing than just getting cold.