This book is part of the "Essentials" series of photocopiable books designed to offer the non-specialist teacher a wide range of open-ended science activities for specified levels of ability. The series provides activities to support any scheme of work being used in the school, either as part of a structured science lesson or as educationally-sounded time-fillers. Each book contains photocopiable activities plus teachers" notes that explain the purpose of each activity; its relevance to the National Curriculum and suggest ideas for follow-up activities. This book looks at sound while other books in the series look at "Air", "Water" and "Seeds and Seedlings".