With Checkpoint Science Revision Guide for the Cambridge Secondary 1 test you can aim for the best grade with the help of relevant and accessible notes, examiner advice plus questions and answers on each key topic. - Clear explanations of every topic covered in the Cambridge Secondary 1 Checkpoint Science syllabus. - Builds revision skills you need for success in the test. - Exam tips wirtten by test setters and examiners giving you their expert advice. This text has not been through the Cambridge endorsement process.