This Student Book has been written by experienced teachers and subject experts specifically for the 2011 AQA GCSE Science specification, providing differentiated content to support, stretch and challenge all abilities. How Science Works is integrated throughout, with additional online activities offering comprehensive guidance and support. Maths Skills activities help develop students' understanding of the subject, and practice questions and study tips help preparestudents for their exams. Controlled Assessment sections in the Student Book as well as online activities and worksheets provide practice and guidance.