A battery lights a bulb. Describe the energy changes involved in the process.

1. Chemical Energy Conversion:
– The battery stores chemical energy within its cells.
– A chemical reaction inside the battery converts stored chemical energy into electrical energy.

2. Electrical Energy Transfer:
– Electrical energy generated by the battery flows through the circuit wires toward the bulb.
– The energy is in the form of moving electrons within the wires.

3. Transformation in the Bulb:
– Electrical energy reaches the bulb’s components, such as the filament.
– The bulb’s filament, offering resistance, converts electrical energy into thermal energy and light energy.

4. Light and Heat Emission:
– Light energy is emitted as the filament heats up, producing visible light.
– Heat energy is also generated due to the high temperature of the filament.

5. Energy Loss:
– Not all electrical energy is transformed into light and heat. Some is lost as heat due to resistance in wires and components.
– Energy dissipates as heat, warming the surroundings.

Understanding these energy changes highlights the transformation of stored chemical energy in the battery into electrical energy, and subsequently into light and heat energy within the bulb, demonstrating the various forms of energy conversion and dissipation in the process of lighting a bulb using a battery.