For the lab to show how the dew point process occurs all you need is a glass of water and ice. Add the ice to the water and see how the glass will start to cool and wait for the condensation to form on the outside of the glass. This shows how the dew point process occurs in how the water cools the air and gets saturated and the water vapor and makes water droplets that fall down the outside of the glass. I came up with the idea when getting a glass of water and thought of the idea, there weren't any issues and it showed the concept