Estimated Reading Time: < 1 minute Section 9 – Electricity and Magnetism Electrical Currents More on Electrical Circuits and Series and Parallel Circuits AND and OR Circuits Magnetism and Electromagnetism Summary of Section 9 Section 10 – Forces and Motion Speed and Forces and Movement Springs Friction and Resistance Stopping Distances Forces and Rotation Moments Pressure Density Summary of Section 10 Section 11 – Light and Sound Summary of Section 11 Section 12 – The Earth and Beyond Summary of Section 12 Section 13 – Energy Summary of Section 13