Circuits
This is the flow of electric charges that moves in an unbroken loop.
What is an electric current?
These are examples of conductors.
What are nails, paperclips, and aluminum foil? (Anything metal!)
This is a device that is used to open and close a circuit easily without connecting and disconnecting the wires.
What is a switch?
To make an electromagnet, a conductor could be coiled around this.
What is an iron or steel nail?
What happens to an electromagnet when you add more wire coils or extra batteries in series?
Answer: It makes the electromagnet stronger.