Weather and climate - background information: air and the atmosphere; temperature; winds and pressure belts; the water cycle; forecasting the weather; acid rain; the ozone layer; climate; the greenhouse effect; a school weather station. Using the "weather" watch topic pack: aim; timing and duration; advance preparation; informing people; the classroom; the children; intital stimulus; the workcards; safety precautions; resources and equipment. Using the worksheets. Notes on individual worksheets.