Student responses to functions associated with pump and battery.
| Pump | Function |
| Type 1 | Supply energy(electricity, water, power) Provides driving force for current(water) to flow Apply voltage The battery provides this for electrons to move from the - pole to the + pole Bringing up water Power Helps with flow Electricity is created through batteries Making a light bulb light up |
| Type 2 | Control the intensity of water(current) |