Natasha wants to create her own electromagnet that can pick up small pieces of metal like paper clips or iron fillings. Which list of materials would Natasha need to build her electromagnet?(1 point)
- A battery or power source (such as a 9-volt battery)
- Insulated copper wire
- Iron or steel core (such as a nail or bolt)
- Paper clips or iron fillings for testing purposes
- Switch or button (optional but useful for controlling the electromagnet)
- Alligator clips or wire connectors to connect the wire to the battery