What happens in a circuit when we change the components?

Science

How quickly electricity is flowing around the circuit

A circuit starts with one lamp and one cell. What happens when you add more cells to the circuit?

A circuit starts with one lamp and one cell. What happens when you add more lamps to the circuit?

Look at picture 1. It shows the structure of a conclusion. What does the green 'E' stand for?

What kind of materials do not let electricity pass through them easily?

Is aluminium a conductor or an insulator?