Explain energy transformation with examples of energy conversion in different devices and processes.

Here are the answers to your questions:

• Converting of one form of energy to another form of energy is called energy transformation.

1. Generating electricity by a dynamo:

   • Mechanical energy $\rightarrow$ Electrical energy

2. Light up a bulb:

   • Electrical energy $\rightarrow$ Light energy + Heat energy

3. Photosynthesis:

   • Light energy $\rightarrow$ Chemical energy

4. Hydro power station:

   • Potential energy (of water) $\rightarrow$ Kinetic energy (of water) $\rightarrow$ Mechanical energy (turbine) $\rightarrow$ Electrical energy

5. Thermopower station:

   • Chemical energy (fuel) $\rightarrow$ Heat energy $\rightarrow$ Kinetic energy (steam) $\rightarrow$ Mechanical energy (turbine) $\rightarrow$ Electrical energy

6. Operating a dynamo:

   • Mechanical energy $\rightarrow$ Electrical energy

7. Operating an electric bell:

   • Electrical energy $\rightarrow$ Sound energy + Mechanical energy

8. Rotating steam turbine:

   • Heat energy (from steam) $\rightarrow$ Kinetic energy (of steam) $\rightarrow$ Mechanical energy (of turbine)

9. Burning a candle:

   • Chemical energy $\rightarrow$ Light energy + Heat energy

10. Ironing clothes:

    • Electrical energy $\rightarrow$ Heat energy