World of Science is ideal for teaching mixed-ability classes.

Each students' book is differentiated into three main levels with a molecule symbol denoting the demand each task places on the student.The content-based approach ensures that a unit covers all the student needs to know for exam success and has the information needed for homework.* Biology, physics and chemistry chapters and pages are colour-coded for ease of identification should you wish to teach by subject specialism* Language level tightly controlled for ease of understanding and key terms are highlighted in bold* Graded questions on each page* Separate information pages for homework* Course summaries which can be used as a checklist to identify areas that may need more work or as a resource for revision* Self tests divided into Foundation and Higher level for homework or assessment in class* Focus on longer, more open-ended project work for the summer term of Year 9