Part of Collins' OCR Gateway series for GCSE Sciences, this Teacher's Guide provides material to teach and prepare students for GCSEs in separate sciences. It has been written by examiners in consultation with OCR. This Teacher's Guide is fully integrated with Collins' OCR GCSE Separate Sciences Student Book. This book will provide you with complete teacher support for the OCR GCSE Separate Sciences specification, including: ? Lesson plans reflecting the low-to-high demand differentiation in Student Books allowing easy reference for planning ? Links to relevant activities (provided electronically) so you don't need to spend time searching for them ? Original and interesting suggestions for starter and plenary activities to stimulate students ? Comprehensive support for stress-free internal assessment ? Sample exam questions and end-of-unit tests plus answers to questions in the Student Books ? Extension and support material ? Guidance to practical investigations ? Technician's notes ?