Science Textbooks handed in to teacher's classroom 15 minutes BEFORE EXAM DO NOT TAKE TEXTBOOK TO EXAM ROOM Science Textbooks handed in to teacher's classroom 15 minutes BEFORE EXAM DO NOT TAKE TEXTBOOK TO EXAM ROOM Science Textbooks handed in to teacher's classroom 15 minutes BEFORE EXAM DO NOT TAKE TEXTBOOK TO EXAM ROOM Return the missing parts to the computer mouse if you want marks posted online.