| A | B |
|---|
| Lightbulb | electrical > light + heat |
| Buzzer | electrical > kinetic + sound |
| Torch | chemical > electrical > light + heat |
| Pendulum | Gravitational potential > kinetic |
| Car | chemical > kinetic + heat + light + sound |
| Radio | electrical > sound + heat |
| TV | electrical > sound + light + heat |
| Washing machine | electrical > kinetic + sound + heat |
| Firework | chemical > kinetic + heat + light + sound |
| Drill | electrical > kinetic + heat + sound |
