This worksheet is part of a video lesson. The content is based on Topic 4.1 of the IB Physics syllabus. Concepts that are emphasized include restoring forces, Hooke's law, the defining equation of simple harmonic motion, motion graphs (x-t, v-t, a-t), and energy graphs and transformations, phase and phase difference, angular speed and isochronous oscillations. The video lesson is well suited to flipped classroom, independent learning and the traditional classroom. This worksheet accompanies the