3. Light is produced through the electrical activity of the circuit which completes a connection between the battery, switch and light bulb.
4. When the circuit is switched on, electricity flows from the battery through the switch and into the light bulb. This electricity is then converted into light energy, which gives off light.
5. The electrical activity causes the filament inside the light bulb to heat up, producing light.
Answers & Comments
3. Light is produced through the electrical activity of the circuit which completes a connection between the battery, switch and light bulb.
4. When the circuit is switched on, electricity flows from the battery through the switch and into the light bulb. This electricity is then converted into light energy, which gives off light.
5. The electrical activity causes the filament inside the light bulb to heat up, producing light.