Why Do Clouds Stay Up? Clouds form from water that has evaporated from lakes, oceans, and rivers, or from moist soil and plants. Clouds are water droplets, and water is heavy, so how do they stay up? There are several reasons, but the most important reason clouds stay up is because warm air rises. Air can hold only a certain amount of water vapor at any given temperature. Warm air can hold more water vapor …showed first 75 words of 1272 total…

…showed last 75 words of 1272 total…filled the water-well with water, and turned the setting on high. After several minutes a pool of white fog filled up and overflowed the top of the humidifier. This "fog" was composed of suspended water droplets. This is the same substance that makes up clouds. In conclusion I found my hypothesis to be correct. Clouds are formed when warn air rises and the pressure drops this cooling the air and causing water vapor to condense.