Playing a guitar., a) Sound Energy, Cellphone, b) Light and Sound Energy, Singing, c) Sound Energy, Watching T.V., d) Light and Sound Energy, Fire place., e) Light and Thermic Energy, Light bulb, f) Light and Thermic Energy, Match, g) Light and Thermic Energy, Headlights., h) Light Energy, Firetruck., i) Sound and Light Energy, Fire camp, j) Heat and Light Energy

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