The URE Edition of the Science in Today’s World Series is written in compliance with the Philippine K to 12 curriculum gradually implemented from 2012 to 2016. The contents of the textbook often link ideas to real-life situations. The textbook is supported by laboratory manual that contains two types of meaningful activities: experiments and open- ended activities. Another supplementary material is the teachers wraparound edition (TWE), which was written to help the teachers in planning learning activities with the end in mind—to teach for understanding.