Pollution. Students' Book

This edition designed for GCSE and TVEI courses is part of a series written to develop students' interest and understanding of science and technology. Although written with the less able student in mind, the modules can be used with students capable of a wide range of GCSE grades by using the extension material in the teacher's guides. The units are self-contained and can be taken in any order to provide a flexible and broad science course. book provides information, practical investigations and questions to help students develop their practial skills and approach to problem solving whilst developing their ability to work both independently and as a member of a team. The reading level has been kept as low as possible and has been checked by a language consultant. The teacher's guide contains background details and assistance including course and unit objectives. There are answers to selected questions in the students' book as well as apparatus lists and safety precautions and extension work for the more able pupils in the form of black-line masters which can be duplicated as required. it affects everyday life. The problems of litter and waste are discussed with ideas on how some waste materials can be recycled. The author shows how water can become polluted, describing methods of treatment which can render it fit for drinking. Finally, there is instruction on the harmful chemicals that poison the air and what can be done to control them.