sentence: Water vapor affects weather conditions.
sentences_before: Water vapor' is water that is in the form of a vapor, or gas. It is a part of the water cycle. Steam is water vapor, but clouds are liquid water.
sentences_after: Water vapor is found in most of the air. In the cold, breathing out causes the water vapor breathed in to freeze.
concept_name: water vapor
headings: Water vapor
categories: Thermodynamics Water