© Boardworks Ltd of 28 These icons indicate that teacher’s notes or useful web addresses are available in the Notes Page. This icon indicates the. - ppt download

© Boardworks Ltd of 28 These icons indicate that teacher’s notes or useful web addresses are available in the Notes Page. This icon indicates the. - ppt download: © Boardworks Ltd of 28 Rainfall Rain is a type of precipitation. Precipitation is where water vapour in the air is cooled and condenses into water droplets. Other types of precipitation are snow, sleet, hail, dew or fog. How is rainfall measured? rain gauge Rainfall is measured with a rain gauge.