A 6-V battery powers a circuit with parallel branches on a board. Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes ...

The children gain insights into chemical cells, circuits, and the principles of generators, sparking their curiosity to further experiment with electricity at home. Keywords electricity ...

In series circuits, the current is the same through each component. The potential difference of the power supply is shared between the components. A parallel circuit showing two bulbs, a switch ...

The independent variable is what we change or control in the experiment. The dependent variable ... to control the current that is flowing in a circuit. They do this by changing the length of ...