Case based questions:
A student is trying to construct a simple electric circuit to light a bulb. Instead of using a connecting wire, the student accidentally uses a wooden stick to connect the components.
1. Will the bulb glow?
2. What type of material is a wooden stick in an electric circuit?
3. Which material should replace the wooden stick to make the bulb glow?
4. Why does the bulb not glow when a wooden stick is used?