The transformations are chemical to kinetic and potential, potential to kinetic, light to chemical, potential to kinetic, chemical to thermal and light, chemical to sound and light, sound to electrical, electrical to light and light to electrical.
For each of the following situations, identify the energy transformation that takes place:(i) a truck moving uphill, (ii) unwinding of a watch spring, (iii) photosynthesis in green leaves, (iv) water flowing from a dam, (v) burning of a matchstick, (vi) explosion of a fire cracker, (vii) speaking into a microphone, (viii) a glowing electric bulb and (ix) a solar panel.
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In (i) fuel chemical energy converts to kinetic and potential energy. In (ii) elastic potential energy converts to kinetic energy. In (iii) solar light energy transforms into chemical energy. In (iv) potential energy converts to kinetic energy. In (v) chemical energy converts to thermal and light energy. In (vi) chemical energy converts to sound, light and heat. In (vii) sound energy converts to electrical energy. In (viii) electrical energy converts to light and heat. In (ix) light energy converts to electrical energy.
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