Complete 67-slide PowerPoint lesson with 38-page printable student workbook.Each equation is introduced, followed by a worked example (I Do), scaffolded question (We Do) and an independent question (You Do). At the end of each section, there are exam-style questions for students to work through.All answers provided on the powerpointEquations covered:Time period of a waveWave speedWave speed on a stringRefractive indexCritical angleInverse square lawPlease note; that the PowerPoint and workbook