The document defines key terms related to the water cycle, including condensation, evaporation, precipitation, snow, rain, hail, surface runoff, transpiration, and accumulation. It explains that condensation is the act of condensing or becoming more compact, while evaporation is matter passing off as vapor. Precipitation, snow, rain, and hail describe various forms of condensed water falling from the atmosphere. Surface runoff and transpiration are parts of the water cycle involving water flow over land and through plants. Accumulation also refers to investing.

1. The Water Cycle By Big Papa