Questions / instructions:
In this activity you have some equipment, and I want you to try to make the torch bulb shine.
Show them the equipment.
Here is the equipment for you to use. Try to connect it so that the bulb shines. You may not need to use everything.

If you can't manage to make the bulb shine, I will help you.

student got bulb to light without help

You've worked out how to connect the equipment so that the bulb shines.

Now I want you to draw a diagram to show how the equipment is put together to make the bulb shine.
On your diagram, I want you to write labels for the pieces of equipment.
The bulb is drawn for you.

Wiring diagram          would work
one wire correct
no correct wiring

Student worksheet

Commentary:
The most common error in the diagram was to show both wires touching the bottom tip of the bulb.