Simplified P1 - Heating Houses & Keeping Homes Warms, Simplified P1 - Spectrum of Waves & Light and Lasers, Simplified P1 - Cooking and Communicating Using Waves & Data Transmission...
4.1.1 P1 Energy changes in a system (will come up), 4.1.2 P1 Conservation and dissipation of energy (will come up), 4.1.3 National and global energy resources (might come up)...